Analog Stick Grip & Trigger Covers - Ps3 The covers give you the extra grip and comfort so you can be in full control of the game. If you're a master at precision games, the trigger cover gives you the sniper-precision you need to get the job done. The Alphaline Trade Analog Stick and Trigger Covers for PlayStation 3. You get a great cover for the L2&R2 button and four extra silicon covers for the analog buttons. Ensure your controller buttons don't wear out from repeated pressing, pushing, pulling and flipping they are exposed to during game play