GEEKDIGG Silicone Key Protector Analog Thumb Grips Joystick Caps for PS4 Xbox One Controller - Black (4 PCS) Add a little extra grip and comfort to your game play Enough to keep your fingers from slipping Along with the silicone caps, you will have the extra leverage and precision you crave. Compatible with PS4/XBOX ONE/PS3/XBOX 360 Controllers High-quality professional-style textured surface