button combo locks

[LOCKASSASSIN]

if you listen to the lock housing with a listening device then you can hear when you press the right button

[JB0311NY]

what do you mean, like a stethoscope? Or do you mean wolf's ear's?
I have a Stethoscope....

[lunchb0x]

have you tried it, i have a unican lock and you cant do it like this because of how the mechanism works