Initial test: M4 converter to use PS3 steering wheels on PS4 - YouTube
Best 6 PS4 Video Converters for Free
Amazon.com: Brook Super Converter - PS3 to PS4, Support PS3 and PS5(Wired) Controllers on PS4 Console, Gaming Controller Adapter : Video Games
Brook for PS4 usb Controller Adapter Converter Wired/Wireless for PS3 Joystick Gamepad for Logitech G27/G29 GT Racing Wheels - AliExpress
Brook Super Converter: PS3/PS4 to NeoGeo Adapter - Focus Attack
DataBlitz - MISSION IS POSSIBLE! M4 Converter will be available today at Datablitz! The M4 Converter lets you use your most preferred USB enabled controller from any console (Xbox 360, PS3, Xbox