OT Defense was founded with the invention of the Nub Mod®, a holster modification named after the owner's shortened thumb from Fallujah while clearing houses. We also offer a full lineup of StippleTec® products used by Gunsmiths and DIY'ers alike to customize their polymer grips of any sort, as well as grip modifications kits for Glocks to get a better grip angle. All of our products are made in the U.S.A, and we take great pride in providing our customers and dealers with exceptional customer service and technical support. (less)