This video is for Locksmith and lock enthusiasts who would like to see how to backward engineer a master key system to find the most powerful key the Master key. The master key is the highest level of a key in a master key system. This is the key that will work all doors, and this is the key when lost means you need to replace all locks, most keys systems have well over 20 doors, some have thousands of doors.
#HackAKey #MakeMasterKeys #HowToMakeAMaster
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