Trigger Treadz Improved Controller Thumb Grips 4-Pack [PlayStation 4 Accessory]Trigger Treadz are a unique patent pending design that attaches to your controller triggers and give you improved grip. There's nothing worse than preparing yourself to score that vital goal, finishing off that end of level boss or taking your friend down with a headshot only to be on the receiving end because your finger slipped off the trigger! Each pack includes 2 pairs of Trigger Treadz Racing Rubber and All Terrain to suit your gaming style.