Aspen Wood Secret Compartment Key Fob w/Whistle

Carry emergency money, toothpicks, matches, small breath mints or pills right with you on your keys, and no one will be the wiser. This gem unscrews at the ring end revealing a tube that extends the whole way through the fob to hold those small items that you don't want to forget, or that you don't want anyone else to know about. Money is easier to extract if the bills are folded and not rolled. Makes a great gift for a teenager. 

 Here is an example of what a fob can hold...