PS4 controller attachment adds customizable buttons to the back
The handiest PS4 controller app that helps you use PS4 controller on PC
Colored Buttons indeed make the Dualsense feel / look so much better imo 😍 : r/playstation
The X Button on the PlayStation Controller Is Actually a 'Cross' Button
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Playstation Controller Back Buttons — robmiles.com
Strike Pack for PS4,PS4 Back Button Attachment,Back Control Fastening for PS4 Wireless Controller,FPS Strike Pack for Playstation 4,Rear Button for Game Controller,PS4 Accessory with Joystick Cap PS4 : Amazon.co.uk: PC & Video
PlayStation® Button Assignments – WARFRAME Support
TOMSIN Metal Buttons for PS4 Controller Gen 1, Aluminum Metal Thumbsticks Analog Grip & Bullet Buttons & D-pad & L1 L2 R1 R2 Triggers for DualShock 4 Controller (Blue) : Amazon.co.uk: PC
MMOBIEL Rubber Silicone Conductive Button Pad Set for PlayStation 4 Dualshock 4 Controller JDS030 / 040 Incl. (+) Screwdriver : Amazon.co.uk: PC & Video Games