ps4 fps games accessories kit anti slip silicon analog stick thumb grips set with trigger extensions for playstation 4 / slim/pro controller (black) millionideas <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.