Ps4 Controller, Usb Wired Dual Vibration Ps4 Remote Controller With Back L3 R3 Buttons And 3.5mm Headphone Jack For Sony Ps4/ps3 - Gamepads - AliExpress
Where is R3 on a PS4 controller? - GameRevolution
Where is R, L, R3, and L3 in a PS4 controller? - Quora
How do you fix the L3 from doing this? : r/PS3
PS3™ | How to use this guide
Amazon.com: PS4 Elite Controller with Back Paddles, 6 Axis Sensor Modded Custom programmable Dual Vibration Elite PS4/PS3 Wireless Game Controller Joystick For FPS Games : Video Games