Sand Paper Pistol Peel and Stick Grip Enhancements for KAHR Models CW380, P380 Sand Paper Pistol Grips manufactures custom granulate handgun grip enhancements for the Smith & Wesson Sand Paper Pistol Grips manufactures custom granulate style handgun grip enhancements for KAHR Models KAHR CW380 and P380 They will greatly improve the feel of your handgun and give you an almost "magnetic" grip. FREE Shipping with Tracking via the US Postal Service. This is a self-adhesive peel and stick friction improving product that attaches directly to your existing grip frame or removable grip.