Pocket Janglers are a type of pocket organizer that can be used to store COINS, keys, and other small items. It consists of two pieces of fabric connected by a zipper, allowing the user to easily access their items without having to search through their pockets. The term 'Pocket Janglers' is derived from the fact that the zipper jangles when the user moves around. COINS and keys are two of the most common items stored in Pocket Janglers, as they are small enough to fit inside and can be easily accessed.