This is probably the rarest feature in video games. : r/gaming
Scuf Vantage PS4 Controller Review | Digital Trends
Amazon.com: OUBANG Control for PS4 Controller, Game Remote for Elite PS4 Controller with Turbo, Steam Gamepad Work with Playstation 4 Controller with Back Paddle, Scuf Controllers for PS4/Pro/PC/IOS/Android Gamer : Video Games