
(pin tumbler)
1. how can i know if i have reached the last pin?
2. is it possible to use a bent safety-pin or paperclip as a hook (specify please

3. what happens if i put to much force in the wrench?
4. can i use a straigh paperclip or sfety-pin , insert it through the lock and bouch the clip/pin up and down and make all the upper pins in to the housing ?
Think some more , but cant think of them right now
