Protects stock thumbsticks from wear and tear. - Extra wide, concave surface adds up to 101% more surface area for greater comfort. - Non-slip, proprietary rubber compound improves grip, no matter how hard you play. - Stem snaps easily onto stock thumbsticks, ensuring a secure fit and does not slip or stretch like other brands' thumb grips. Functions well in Rocket League, Madden, NBA 2K, FIFA, and other games