Enhanced Xbox One Gaming Experience with Gaming Thumb Grips. Personalize and enhance your gaming experience with Fosmon's silicone thumb grip caps for your standard Xbox One controller and Xbox One elite controllers. With the non-slip thumb grips, you will no longer have to worry about slipping off the analog stick of your controllers. Change your controller look. These thumb grip caps provide a great cosmetic look to your controller. Analog Stick Protection. Help protect your standard Xbox One controller and Xbox One elite controller analog sticks by adding thumb grip caps. Easy to Install. No tools or wires required. Just turn the thumb caps inside-out and pop it over the controller. Model: A1748.