How does it work
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Master Keying II. Lock Plans
15/06/2018When deciding to create a master keying system, whether for padlocks or door cylinders (or both in combination), it is essential to draw up a document – called a lock plan – to define which keys will open exactly which doors. In other words, this document will define the master keys, sub-master keys and independent [...]
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TSA Padlocks; Padlocks for trips to the US
02/05/2018If you need to take a flight to the United States in the near future, you have probably heard that you need a TSA padlock. Using these kinds of locks comes from the growing strictness of security measures at US airports, especially since the 11 September 2001 attacks. TSA padlocks are not mandatory, but they [...]
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Cylinders with emergency function: How to open a door with the key inside
16/04/2018It is bound to have happened to you at some point. You leave home and your keys are still hanging inside the door. You could call a locksmith to solve the problem and you would be sure the job was done in a professional way. Many people, however, don’t know that this inconvenience can be [...]
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What is Bumping and How to Prevent It
07/02/2018A long spate in recent years of successful home robberies using bumping has unfortunately popularised this technique of forcing cylinder door locks. Hence, the term ‘bumping’ has become widespread in the media and entered the everyday vocabulary of the man on the street. But what is bumping exactly? Why has it become such a widely-used [...]
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Master Keying (I). The four main types of master keying
07/02/2018Perhaps you’ve seen someone you know open the door to their house with the same key they use to open their lobby door. Is it magic? Absolutely not. Neither is it just a way to make things easier for themselves but also one that compromises their lock security. Far from it. You have simply witnessed [...]