good to know
and no, it's not just 9v batteries. My Foxpro game callers use AA batteries, but they're in a battery holder that has a 9v type connector on the side that's used to connect it to the caller, which would do the same thing:
and no, it's not just 9v batteries. My Foxpro game callers use AA batteries, but they're in a battery holder that has a 9v type connector on the side that's used to connect it to the caller, which would do the same thing: