NO FALLING OFF EVER - Unique combination structure cocoon on controllers thumbstick 360 degree around will never fall off whatever how hard to push them; | Enhanced Accuracy - Increased moving range for a same angle of the stick after installing the Extender much more easier to perform a precise aiming turning or movement reduced fatigue; | Best Grip & Comfort - With the thumb grip cover installed on the soft rubber silicone material provides comfort and extra grip get Predictionter experience in a long session game play makes everything under control; | Perfect Protection - With the sets installed on provides prefect protection to the vulnerable original sticks of your controller avoid any possibly damage; | Different Height Options - Install extender & grips sets adds 8 mm height to the stick enhances precision in shooting racing games. Can install an extender on another to have even more height and more precision ;