<b>Enhanced Gaming Experience </b><br> A nice rubber grip to your thumbs, makes the PS4 controller more comfortable and sensitive, increases precision and aim. Specially reduces hand and thumb fatigue for long hour of gaming.<br><br> <b>Analog Stick Protection</b><br> Designed to protect your PS4 controller joystick caps from corrosion and spalling.<br><br> <b>Easy to Install</b><br> Performance Thumbstick: Just turn the thumb caps inside-out and pop it over the controller. Trigger extenders: All you do is put the little plastic indent side on first and pull your trigger down a little and push the grip into the slot.