R3 and L3 on PlayStation 4 PS4 Controller - YouTube
NUZYZ Gamepad Back Button Clip Extender Joystick Turbo Key Adapter for PS4 Controller - Walmart.com
DualSense wireless controller part names
Why isn't anyone saying anything about this issue with the PS4 controller? The L3 button literally just doesn't work, everyone has the same problem, in every game that requires you to sprint,
PlayStation 4 Controller Buttons - A Beginner's Guide - Gamercreatrix
Where is R3 on a PS4 controller? - GameRevolution
PS4 Controller, USB Wired Dual Vibration PS4 Remote Controller Joystick with Additional L3 R3 Buttons and 3.5MM Headphone Jack for Play Station 4 PS4/PS3/PC Platform : Amazon.in: Video Games
How to Fix PS4 Controller Analog Drift (R3 or L3 not working) - iFixit Repair Guide
Amazon.com: DRILI Paddles for PS4 Controller, Back Button Attachment for PS4 Controller : Video Games