Y'all are way too sophisticated. Someone who is not me mentioned taking an extension cord, plugging it into the outlet behind shim's safe. Cut off the female end and run one wire to the handle and the other to the metal dial. Heck, why not use 2 outlets and electrify the body of the safe as well.*GHETTOBLASTER » Today, 3:36 pm » wrote: ↑ An IR beam detector that triggers the release of a spring loaded, barbed steel spike that goes right through the hand of whoever trips the circuit.
You could substitute a .22 caliber round that is fired by a solenoid through a short section of pipe, [instead of the spike].
There would need to be a 1 second delay to give the **** Headl's hand ample time to get centered under the trap.