Compatibility - Designed for Oculus quest & Oculus rift s controller grips, allows you to play game with hands free Adjustable Size - Rubber loop and Velcro hook and loop design fits perfectly for different hands size Easy install - Easy to install and disassemble . you could use it according to the pictures of product listing. There are 2 modes to install on the controller grips, you could choose one mode you like Creative packs: Play with knuckle strip and controller silicone skin, you won’t worry about the sweat and drop anymore.