Beat a Master Lock Most Rick Tick

Mark Edward Campos, a third year architecture student developed a great graphic on a method to defeat a Rotary Dial Master Lock. Of course the intent of all of this was to find out how a Master Lock works and not necessarily how to defeat it. Essentially, you determine the first number by pulling up on the latch while the dial is rotated. Next, a table of all possible first and second number combinations has been calculated for you. Then you tough it out and attempt the one hundred combinations or so left.

Master Lock Diagram

Hack A Day had previously published an article on this method but suggested that using a shim made from an aluminum can is preferable. It is a lot faster. I thought our readers might be interested from a security perspective in this video of the shim method.

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