Why Do Denim Jeans Have That Itty-Bitty Pocket Sewn Into the Larger One?

Everyone has a pair of denim jeans, and I am sure you do. Are you wearing one? Take a look at one of the front pockets, and stick your finger into that itty-bitty pocket sewn into the larger one. Why is it there? Ever wondered? Quench the thirst of your curiosity below. That tiny pocket [...]