L2 R2 Buttons Extension Trigger Extenders Extend Button 1 Pair For PlayStation 4 / PS4 Slim / PS4 Pro DualShock 4 DS4 V1 V2 Controllers - Black | Best Buy Canada
Amazon.com: RALAN PS4 Controller Skin Silicone Cover Glow in Dark Protective Case for PS4/slim/PS4 Pro Dualshock 4 Controller.+ 8 Glow Thumb caps and Back Sticker + L2 R2 Extended caps. : Video
PartEGG L1 R1 L2 R2 Trigger Button Replacement for PS4 Pro Dualshock 4 Controller JDS-040 JDM-040
how to fix broken L2 R2 triggers no cost on dualshock 4 on ps4 playstation - YouTube