sarge69 wrote:
On batteries, alway have a cover on the terminals so an occasional coin or anything else metallic doesn't have the opportunity to short them out.
Shock or fire would be nasty in a pocket.
Sarge
I once stuck a 9 volt in my pocket while standing on a ladder to change the fire alarm's batteries. You wouldn't believe just how fast and hot a few coins can get when they complete the circuit.