 Tedder realized that the most potential lay in the hybrid holster design, which mates a hard plastic retention shell molded for the gun it would hold to a backing platform made of a durable cloth such as leather.Some of the weaknesses he noted in competing products were flimsy materials and poor handgun retention.For instance, several holster companies tell customers to use a heat gun or hair dryer on a holster if it doesn't hold a gun tight enough.