Your bank is being robbed and you are holding both hands in the air. How do you turn on the silent alarm? We let the hold up man do that for us.
A stack of paper cut to dollar bill size to look like a stack of money with a real bill on top banded to heavy metal plate able to hold push button switch down when lifted can sound silent alarm at police station or second switch can be decoy stack that lets to brass spring strips make contact when money is pulled out that holds clips apart.
