Traditional Key Blank Replacement: Understanding the Process
The process of replacing a traditional key blank is a fundamental aspect of locksmithing, an age-old practice that continues to play a significant role in our modern world. Understanding this process not only provides insights into the intricacies of locksmithing but also equips individuals with knowledge that can come in handy in situations where key replacement is required.
A traditional key blank replacement begins with identifying the right key blank. Generally, every lock has a specific key blank that matches it to ensure perfect functionality. Key blanks come in a myriad of shapes, sizes, and designs, and its crucial to select the right one for the lock. There are numerous manufacturers and types of keys, hence, the first step in the process involves matching the lock to its corresponding key blank. This can be done by checking the keyway, comparing the original key to the blank, or using a reference book or software.
Once the appropriate key blank has been identified, the next step is to cut the new key to match the original. This process involves using a key cutting machine, which is a specialized tool designed to accurately replicate the pattern of cuts on the original key onto the new key blank. The original key acts as a guide, dictating the precise depth and spacing of the cuts on the replacement key. This process requires not only the right tools but also a significant amount of skill and precision to ensure an accurate reproduction of the original key.
After the key blank has been cut, its then polished and deburred to remove any sharp edges or burrs that might have been created during the cutting process. This is an essential step as it ensures the key will smoothly turn in the lock without causing any damage.
Finally, the new key is tested in the lock to ensure it works properly. This is a crucial step as it confirms that the replacement key has been correctly cut and finished. If the key doesn't turn smoothly or if it doesn't work at all, the cutting process may need to be repeated or the key blank selection may need to be reassessed.
In conclusion, the process of traditional key blank replacement is a meticulous one that requires a keen understanding of locks and keys. It involves the identification of the correct key blank, the careful cutting of the key to match the original, and the testing of the new key to confirm its functionality. While it might seem like a simple task, it requires a significant amount of skill and precision, underlining the importance of professional locksmithing in our daily lives.
A step-by-step guide to traditional car key blank replacement can be an invaluable piece of information for any car owner. Its not uncommon to lose or break a car key, and knowing how to replace it can save you time, stress and even money. This guide will walk you through the process of traditional key blank replacement, ensuring that you have a functioning key in no time.
Step 1: Identify Your Key Blank
The first step in replacing a traditional car key blank is to identify the type of key blank you need. Different car models use different types of keys, so its essential to ensure you have the correct one. You can usually find this information in your cars owner manual or by looking up your car model online.
Step 2: Purchase a New Key Blank
Once youve identified the type of key blank you need, the next step is to purchase a new one. You can usually find key blanks at automotive parts stores, locksmith shops, or online. Ensure that the key blank you buy is compatible with your car model.
Step 3: Cut the Key Blank
After youve purchased a new key blank, the next step is to cut it to fit your cars ignition. This is usually done by a professional locksmith using a key cutting machine. Youll need to provide the locksmith with the original key (if you still have it) or the key code, which is usually found in your cars owner manual.
Step 4: Check the New Key
Once the new key blank has been cut, its crucial to check that it works correctly. Insert it into your cars ignition and turn it. If the car starts, the key has been cut correctly. If not, it may need to be adjusted by the locksmith.
Step 5: Program the New Key
Some traditional car keys also need to be programmed to work with your cars security system. This is usually done by a professional locksmith or at a car dealership. Again, youll need the original key or the key code for this process.
In conclusion, while losing or breaking a car key can be a stressful situation, knowing how to replace a traditional key blank can significantly alleviate this stress. By following these steps, you can ensure that you have a functioning car key in no time. However, its always best to consult with a professional locksmith or your car dealership if youre unsure about any part of the key blank replacement process.
Replacing traditional key blanks presents several common challenges. These obstacles can make the task tricky for locksmiths, particularly those who are not adequately trained or experienced. The process is not as straightforward as it may seem; it involves more than just cutting a new key. There are technicalities and complexities that require professionalism, precision, and knowledge.
One significant challenge is identifying the correct key blank. Not all keys are the same; they come in different shapes, sizes, and designs. Using the wrong blank will lead to a key that does not fit or function properly. Reputable locksmiths have a broad selection of key blanks at their disposal, yet even they can struggle to find the perfect match, especially for older or more obscure lock models.
Another common challenge is the cutting process. It requires specialized equipment and a steady hand. The key blank has to be cut accurately to match the original keys unique pattern. Any minor mistake can render the key useless. Plus, if the key is cut incorrectly, it can potentially damage the lock, leading to even more issues.
Maintaining the durability of the key is also a key challenge. Traditional keys are often made of metal, and while this makes them sturdy, it also makes them susceptible to wear and tear. Repeated use can gradually wear down the key, making it less effective at opening the lock. Therefore, its crucial to use high-quality materials and techniques to ensure the longevity of the key.
The potential for security breaches is another issue with traditional key blank replacement. If the key falls into the wrong hands during the replacement process, it could compromise the locks security. This concern necessitates reliable and trustworthy locksmiths who can handle the key replacement process discreetly and efficiently.
Lastly, the difficulty of replacing lost or broken keys poses a challenge. Without a reference key to duplicate, locksmiths must rely on their expertise to fashion a new key from scratch. This task can be incredibly challenging, especially for keys with complex designs.
In conclusion, while traditional key blank replacement may seem like a simple task, it involves a series of challenges that can complicate the process. Despite these hurdles, experienced and skilled locksmiths can navigate these issues to provide a seamless key replacement service. It is essential to appreciate these intricacies to ensure the efficacy and security of our locks and keys.
Traditional key blank replacement can sometimes be a daunting task for the uninitiated. However, by adhering to certain tips and tricks, this process can be made significantly simpler and more successful. This short essay will provide some key insights, strategies and advice for those wishing to undertake a traditional key blank replacement project.
Firstly, it is essential to understand what a key blank is. A key blank is essentially a key that has not been cut to a specific pattern. It is a blank canvas, upon which a locksmith can create a key to fit a particular lock. The process of replacing a key blank involves choosing a new key blank that matches the lock, cutting it to fit the lock, and then refining it so that it works smoothly.
One of the most important tips for successful key blank replacement is to ensure that you have the correct key blank to start with. There are numerous types of key blanks available, each designed to fit a specific type of lock. It is therefore crucial to identify the type of lock for which you need a new key, and then purchase the correct key blank.
Another important tip is to ensure that you have the right tools for the job. Key cutting machines are generally used to cut key blanks, and these can be complex pieces of equipment. It is therefore recommended that you either hire a professional locksmith to do the job for you, or if you are confident in your abilities, invest in a good quality key cutting machine.
When it comes to the actual process of cutting the key, precision is key. The key needs to be cut to the exact pattern of the lock, and any mistakes can render the key useless. Therefore, take your time, measure twice, and cut once.
Finally, once the key has been cut, it should be tested in the lock to ensure that it works properly. It is not uncommon for a newly cut key to be a little stiff in the lock at first, and it may need a bit of fine-tuning to get it working smoothly.
In conclusion, successful traditional key blank replacement requires the correct key blank, the right tools, precision in cutting, and testing of the new key. With these tips and tricks in mind, you should be able to tackle your key blank replacement project with confidence and success.
Locksmithing is the work of creating and bypassing locks. Locksmithing is a traditional trade and in many countries requires completion of an apprenticeship. The level of formal education legally required varies by country, ranging from no formal education to a training certificate awarded by an employer, or a full diploma from an engineering college, along with time spent as an apprentice.
A lock is a mechanism that secures buildings, rooms, cabinets, objects, or other storage facilities. A "smith" is a metalworker who shapes metal pieces, often using a forge or mould, into useful objects or to be part of a more complex structure. Thus locksmithing, as its name implies, is the assembly and designing of locks and their respective keys by hand. Most locksmiths use both automatic and manual cutting tools to mold keys, with many of these tools being powered by batteries or mains electricity.
Locks have been constructed for over 2,500 years, initially out of wood and later out of metal.[1] Historically, locksmiths would make the entire lock, working for hours hand cutting screws and doing much file-work. Lock designs became significantly more complicated in the 18th century, and locksmiths often specialized in repairing or designing locks.
Although replacing lost keys for automobiles and homes, as well as rekeying locks for security purposes, remains an important part of locksmithing, a 1976 U.S. Government publication noted that modern locksmiths are primarily involved in installing high-quality lock-sets and managing keying and key control systems.
Most locksmiths also provide electronic lock services, such as programming smart keys for transponder-equipped vehicles and implementing access control systems to protect individuals and assets for large institutions.[2] Many also specialise in other areas such as:
In Australia, prospective locksmiths are required to take a Technical and Further Education (TAFE) course in locksmithing, completion of which leads to issuance of a Level 3 Australian Qualifications Framework certificate, and complete an apprenticeship. They must also pass a criminal records check certifying that they are not currently wanted by the police. Apprenticeships can last one to four years. Course requirements are variable: there is a minimal requirements version that requires fewer total training units, and a fuller version that teaches more advanced skills, but takes more time to complete. Apprenticeship and course availability vary by state or territory.[3]
In Ireland, licensing for locksmiths was introduced in 2016,[4] with locksmiths having to obtain a Private Security Authority license. The Irish Locksmith Organisation has 50 members with ongoing training to ensure all members are up-to-date with knowledge and skills.
In the UK, there is no current government regulation for locksmithing, so effectively anyone can trade and operate as a locksmith with no skill or knowledge of the industry.[5]
Fifteen states in the United States require licensure for locksmiths. Nassau County and New York City in New York State, and Hillsborough County and Miami-Dade County in Florida have their own licensing laws.[6] State and local laws are described in the table below. 15 states require locksmith licensing: Alabama, California, Connecticut, Illinois, Louisiana, Maryland, Nebraska, New Jersey, Nevada, North Carolina, Oklahoma, Oregon, Tennessee, Texas and Virginia.
Locksmiths may be commercial (working out of a storefront), mobile (working out of a vehicle), institutional (employed by an institution) or investigatory (forensic locksmiths) or may specialize in one aspect of the skill, such as an automotive lock specialist, a master key system specialist or a safe technician.[2] Many locksmiths also work as security consultants, but not all security consultants possess locksmithing skills. Locksmiths are frequently certified in specific skill areas or to a level of skill within the trade. This is separate from certificates of completion of training courses. In determining skill levels, certifications from manufacturers or locksmith associations are usually more valid criteria than certificates of completion. Some locksmiths decide to call themselves "Master Locksmiths" whether they are fully trained or not, and some training certificates appear quite authoritative.
The majority of locksmiths also work on any existing door hardware, not just locking mechanisms. This includes door closers, door hinges, electric strikes, frame repairs and other door hardware.
The issue of full disclosure was first raised in the context of locksmithing, in a 19th-century controversy regarding whether weaknesses in lock systems should be kept secret in the locksmithing community, or revealed to the public.
According to A. C. Hobbs:
A commercial, and in some respects a social doubt has been started within the last year or two, whether or not it is right to discuss so openly the security or insecurity of locks. Many well-meaning persons suppose that the discussion respecting the means for baffling the supposed safety of locks offers a premium for dishonesty, by showing others how to be dishonest. This is a fallacy. Rogues are very keen in their profession, and know already much more than we can teach them respecting their several kinds of roguery. Rogues knew a good deal about lock-picking long before locksmiths discussed it among themselves, as they have lately done. If a lock, let it have been made in whatever country, or by whatever maker, is not so inviolable as it has hitherto been deemed to be, surely it is to the interest of honest persons to know this fact, because the dishonest are tolerably certain to apply the knowledge practically; and the spread of the knowledge is necessary to give fair play to those who might suffer by ignorance. It cannot be too earnestly urged that an acquaintance with real facts will, in the end, be better for all parties. Some time ago, when the reading public was alarmed at being told how London milk is adulterated, timid persons deprecated the exposure, on the plea that it would give instructions in the art of adulterating milk; a vain fear, milkmen knew all about it before, whether they practised it or not; and the exposure only taught purchasers the necessity of a little scrutiny and caution, leaving them to obey this necessity or not, as they pleased.
A commercial, and in some respects a social doubt has been started within the last year or two, whether or not it is right to discuss so openly the security or insecurity of locks. Many well-meaning persons suppose that the discussion respecting the means for baffling the supposed safety of locks offers a premium for dishonesty, by showing others how to be dishonest. This is a fallacy. Rogues are very keen in their profession, and know already much more than we can teach them respecting their several kinds of roguery.
Rogues knew a good deal about lock-picking long before locksmiths discussed it among themselves, as they have lately done. If a lock, let it have been made in whatever country, or by whatever maker, is not so inviolable as it has hitherto been deemed to be, surely it is to the interest of honest persons to know this fact, because the dishonest are tolerably certain to apply the knowledge practically; and the spread of the knowledge is necessary to give fair play to those who might suffer by ignorance.
It cannot be too earnestly urged that an acquaintance with real facts will, in the end, be better for all parties. Some time ago, when the reading public was alarmed at being told how London milk is adulterated, timid persons deprecated the exposure, on the plea that it would give instructions in the art of adulterating milk; a vain fear, milkmen knew all about it before, whether they practised it or not; and the exposure only taught purchasers the necessity of a little scrutiny and caution, leaving them to obey this necessity or not, as they pleased.
Lock(s) or Locked may refer to:
A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or password), by a combination thereof, or it may only be able to be opened from one side, such as a door chain.
A key is a device that is used to operate a lock (to lock or unlock it). A typical key is a small piece of metal consisting of two parts: the bit or blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user. In its simplest implementation, a key operates one lock or set of locks that are keyed alike, a lock/key system where each similarly keyed lock requires the same, unique key.
The key serves as a security token for access to the locked area; locks are meant to only allow persons having the correct key to open it and gain access. In more complex mechanical lock/key systems, two different keys, one of which is known as the master key, serve to open the lock. Common metals include brass, plated brass, nickel silver, and steel. The act of opening a lock without a key is called lock picking.
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Content in this edit is translated from the existing German Wikipedia article at [[:de:Schlüssel#Geschichte_von_Schloss_und_Schlüssel]]; see its history for attribution.
Translated
Locks have been in use for over 6000 years, with one early example discovered in the ruins of Nineveh, the capital of ancient Assyria.[1] Locks such as this were developed into the Egyptian wooden pin lock, which consisted of a bolt, door fixture or attachment, and key. When the key was inserted, pins within the fixture were lifted out of drilled holes within the bolt, allowing it to move. When the key was removed, the pins fell part-way into the bolt, preventing movement.[2]
The warded lock was also present from antiquity and remains the most recognizable lock and key design in the Western world. The first all-metal locks appeared between the years 870 and 900, and are attributed to English craftsmen.[3] It is also said that the key was invented by Theodorus of Samos in the 6th century BC.[1]
The Romans invented metal locks and keys and the system of security provided by wards.[4]
Affluent Romans often kept their valuables in secure locked boxes within their households, and wore the keys as rings on their fingers. The practice had two benefits: It kept the key handy at all times, while signaling that the wearer was wealthy and important enough to have money and jewellery worth securing.[5]
A special type of lock, dating back to the 17th–18th century, although potentially older as similar locks date back to the 14th century, can be found in the Beguinage of the Belgian city Lier.[6][7] These locks are most likely Gothic locks, that were decorated with foliage, often in a V-shape surrounding the keyhole.[8] They are often called drunk man's lock, as these locks were, according to certain sources, designed in such a way a person can still find the keyhole in the dark, although this might not be the case as the ornaments might have been purely aesthetic.[6][7] In more recent times similar locks have been designed.[9][10]
With the onset of the Industrial Revolution in the late 18th century and the concomitant development of precision engineering and component standardization, locks and keys were manufactured with increasing complexity and sophistication.[11]
The lever tumbler lock, which uses a set of levers to prevent the bolt from moving in the lock, was invented by Robert Barron in 1778.[12] His double acting lever lock required the lever to be lifted to a certain height by having a slot cut in the lever, so lifting the lever too far was as bad as not lifting the lever far enough. This type of lock is still used today.[13]
The lever tumbler lock was greatly improved by Jeremiah Chubb in 1818.[12] A burglary in Portsmouth Dockyard prompted the British Government to announce a competition to produce a lock that could be opened only with its own key.[5] Chubb developed the Chubb detector lock, which incorporated an integral security feature that could frustrate unauthorized access attempts and would indicate to the lock's owner if it had been interfered with. Chubb was awarded £100 after a trained lock-picker failed to break the lock after 3 months.[14]
In 1820, Jeremiah joined his brother Charles in starting their own lock company, Chubb. Chubb made various improvements to his lock: his 1824 improved design did not require a special regulator key to reset the lock; by 1847 his keys used six levers rather than four; and he later introduced a disc that allowed the key to pass but narrowed the field of view, hiding the levers from anybody attempting to pick the lock.[15] The Chubb brothers also received a patent for the first burglar-resisting safe and began production in 1835.
The designs of Barron and Chubb were based on the use of movable levers, but Joseph Bramah, a prolific inventor, developed an alternative method in 1784. His lock used a cylindrical key with precise notches along the surface; these moved the metal slides that impeded the turning of the bolt into an exact alignment, allowing the lock to open. The lock was at the limits of the precision manufacturing capabilities of the time and was said by its inventor to be unpickable. In the same year Bramah started the Bramah Locks company at 124 Piccadilly, and displayed the "Challenge Lock" in the window of his shop from 1790, challenging "...the artist who can make an instrument that will pick or open this lock" for the reward of £200. The challenge stood for over 67 years until, at the Great Exhibition of 1851, the American locksmith Alfred Charles Hobbs was able to open the lock and, following some argument about the circumstances under which he had opened it, was awarded the prize. Hobbs' attempt required some 51 hours, spread over 16 days.
The earliest patent for a double-acting pin tumbler lock was granted to American physician Abraham O. Stansbury in England in 1805,[16] but the modern version, still in use today, was invented by American Linus Yale Sr. in 1848.[17] This lock design used pins of varying lengths to prevent the lock from opening without the correct key. In 1861, Linus Yale Jr. was inspired by the original 1840s pin-tumbler lock designed by his father, thus inventing and patenting a smaller flat key with serrated edges as well as pins of varying lengths within the lock itself, the same design of the pin-tumbler lock which still remains in use today.[18] The modern Yale lock is essentially a more developed version of the Egyptian lock.
Despite some improvement in key design since, the majority of locks today are still variants of the designs invented by Bramah, Chubb and Yale.
A warded lock uses a set of obstructions, or wards, to prevent the lock from opening unless the correct key is inserted. The key has notches or slots that correspond to the obstructions in the lock, allowing it to rotate freely inside the lock. Warded locks are typically reserved for low-security applications as a well-designed skeleton key can successfully open a wide variety of warded locks.
The pin tumbler lock uses a set of pins to prevent the lock from opening unless the correct key is inserted. The key has a series of grooves on either side of the key's blade that limit the type of lock the key can slide into. As the key slides into the lock, the horizontal grooves on the blade align with the wards in the keyway allowing or denying entry to the cylinder. A series of pointed teeth and notches on the blade, called bittings, then allow pins to move up and down until they are in line with the shear line of the inner and outer cylinder, allowing the cylinder or cam to rotate freely and the lock to open. An additional pin called the master pin is present between the key and driver pins in locks that accept master keys, to allow the plug to rotate at multiple pin elevations.
A wafer tumbler lock is similar to the pin tumbler lock and works on a similar principle. However, unlike the pin lock (where each pin consists of two or more pieces) each wafer is a single piece. The wafer tumbler lock is often incorrectly referred to as a disc tumbler lock, which uses an entirely different mechanism. The wafer lock is relatively inexpensive to produce and is often used in automobiles and cabinetry.
The disc tumbler lock or Abloy lock is composed of slotted rotating detainer discs.
The lever tumbler lock uses a set of levers to prevent the bolt from moving in the lock. In its simplest form, lifting the tumbler above a certain height will allow the bolt to slide past. Lever locks are commonly recessed inside wooden doors or on some older forms of padlocks, including fire brigade padlocks.
A magnetic keyed lock is a locking mechanism whereby the key utilizes magnets as part of the locking and unlocking mechanism. A magnetic key would use from one to many small magnets oriented so that the North and South poles would equate to a combination to push or pull the lock's internal tumblers thus releasing the lock.
An electronic lock works by means of an electric current and is usually connected to an access control system. In addition to the pin and tumbler used in standard locks, electronic locks connect the bolt or cylinder to a motor within the door using a part called an actuator. Types of electronic locks include the following:
A keycard lock operates with a flat card of similar dimensions as a credit card. In order to open the door, one needs to successfully match the signature within the keycard.
The lock in a typical remote keyless system operates with a smart key radio transmitter. The lock typically accepts a particular valid code only once, and the smart key transmits a different rolling code every time the button is pressed. Generally the car door can be opened with either a valid code by radio transmission, or with a (non-electronic) pin tumbler key. The ignition switch may require a transponder car key to both open a pin tumbler lock and also transmit a valid code by radio transmission.
A smart lock is an electromechanics lock that gets instructions to lock and unlock the door from an authorized device using a cryptographic key and wireless protocol. Smart locks have begun to be used more commonly in residential areas, often controlled with smartphones.[19][20] Smart locks are used in coworking spaces and offices to enable keyless office entry.[21] In addition, electronic locks cannot be picked with conventional tools.
Locksmithing is a traditional trade, and in most countries requires completion of an apprenticeship. The level of formal education required varies from country to country, from no qualifications required at all in the UK,[22] to a simple training certificate awarded by an employer, to a full diploma from an engineering college. Locksmiths may be commercial (working out of a storefront), mobile (working out of a vehicle), institutional, or investigational (forensic locksmiths). They may specialize in one aspect of the skill, such as an automotive lock specialist, a master key system specialist or a safe technician. Many also act as security consultants, but not all security consultants have the skills and knowledge of a locksmith.[citation needed]
Historically, locksmiths constructed or repaired an entire lock, including its constituent parts. The rise of cheap mass production has made this less common; the vast majority of locks are repaired through like-for-like replacements, high-security safes and strongboxes being the most common exception. Many locksmiths also work on any existing door hardware, including door closers, hinges, electric strikes, and frame repairs, or service electronic locks by making keys for transponder-equipped vehicles and implementing access control systems.
Although the fitting and replacement of keys remains an important part of locksmithing, modern locksmiths are primarily involved in the installation of high quality lock-sets and the design, implementation, and management of keying and key control systems. Locksmiths are frequently required to determine the level of risk to an individual or institution and then recommend and implement appropriate combinations of equipment and policies to create a "security layer" that exceeds the reasonable gain of an intruder.[citation needed]
Traditional key cutting is the primary method of key duplication. It is a subtractive process named after the metalworking process of cutting, where a flat blank key is ground down to form the same shape as the template (original) key. The process roughly follows these stages:
Modern key cutting replaces the mechanical key following aspect with a process in which the original key is scanned electronically, processed by software, stored, then used to guide a cutting wheel when a key is produced. The capability to store electronic copies of the key's shape allows for key shapes to be stored for key cutting by any party that has access to the key image.
Different key cutting machines are more or less automated, using different milling or grinding equipment, and follow the design of early 20th century key duplicators.
Key duplication is available in many retail hardware stores and as a service of the specialized locksmith, though the correct key blank may not be available. More recently, online services for duplicating keys have become available.
A keyhole (or keyway) is a hole or aperture (as in a door or lock) for receiving a key.[23] Lock keyway shapes vary widely with lock manufacturer, and many manufacturers have a number of unique profiles requiring a specifically milled key blank to engage the lock's tumblers.
Keys appear in various symbols and coats of arms, the best-known being that of the Holy See:[24] derived from the phrase in Matthew 16:19 which promises Saint Peter, in Roman Catholic tradition the first pope, the Keys of Heaven. But this is by no means the only case.
Some works of art associate keys with the Greek goddess of witchcraft, known as Hecate.[25]
The Palestinian key is the Palestinian collective symbol of their homes lost in the Nakba, when more than half of the population of Mandatory Palestine was expelled or fled violence in 1948 and were subsequently refused the right to return.[26][27][28] Since 2016, a Palestinian restaurant in Doha, Qatar, holds the Guinness World Record for the world's largest key – 2.7 tonnes and 7.8 × 3 meters.[29][30]
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Michal concedes the fact that Israelis do the same thing to the memory of the Nakba when saying "it was in 1948, enough talking about the past, let's talk about the future." When the Palestinians come with their keys [the Palestinian symbol of their lost homes], she says, "it's the same thing, it's a memory still burning in the hearts of families
Keys must always be the symbol of the Palestinian "Nakba" – the "disaster" – the final, fateful, terrible last turning in the lock of those front doors as 750,000 Arab men, women and children fled or were thrown out of their homes in what was to become the state of Israel in 1947 and 1948.
The gigantic key, dedicated to all the refugees around the world, was unveiled in a spectacular show at the Katara Amphitheatre last night featuring Palestinian Arab Idol winner Mohammed Assaf. "This key symbol for all the refugees in the world. We want to set a Guinness World Record to say that it is the right of these refugees to return back home. Actually this is linked particularly to Palestinian refugees."... Around 4,000 people filled the Katara Amphitheatre to witness the unveiling of the enormous key and enjoy the concert highlighted by the performance of the young Palestinian singer who is the first United Nations Relief and Works Agency regional youth ambassador for Palestine refugees.