maintenanceguy wrote:Saves are manipulated by listening to the sounds the lock makes. Manipulation proof locks make lots of extra noise. Some have weights or balls that rattle as the handle is turned, some have spring loaded paws that click as you turn the handle.
Balls that rattle around that's cool. This is an interesting field, it's quite entertaining to read about the innovative ideas that the safe builders come up with to make the bad guys work at their game and then the equally creative ideas that are used to defeat those measures.
Thanks for the explanation