What are holsters and why do individuals buy a pocket holster? Holsters are useful for carrying a gun and pocket holsters are useful for carrying small weapon in the front, trouser, and jacket pocket. A well designed pocket holster can be useful to an individual in several ways such as - providing a safe way for carrying the weapon and to cover up the weapon. It should be properly constructed to break-up the outline of the weapon, and make the weapon easily accessible. With the different desi...