My friend just modded a 360 controller with a trackball : r/gaming
Custom Trackball Controllers by DufenTech : r/gaming
Valve Steam Trackball Controller
Why don't we take a trackball and put it in a controller? : r/gaming
reWASD 6.2.1 Update! Steam Controller Trackball Mode - YouTube
Players are stunned over these five outrageous gaming designs | The US Sun
It's All About Control
Can I get a trackball controller for my PlayStation 4 in order to play 1980s era video games? - Quora
Putting A Trackball Inside A Controller | Hackaday
REvolve: A New Type Of Controller - Wololo.net
2.4GHZ USB Wireless HandHeld Optical Trackball Mouse Mice for Tablet PC Laptop | eBay
Trackball Gamepad DIY in Arma 3 (test run) - YouTube
Nvidia has patented a controller with a trackball that hints at mouse-like accuracy
Gamepad Design New Finger Handhold 4DB Mini Trackball Game Mouse Mice Thumb Control For Win7,Win8 ME/ XP/ NT PC Computer - AliExpress
Gameplay Evaluation of the Trackball Controller
Tangent Ripple Trackball Controller
How Valve Engineered the Perfect Controller - IGN
KeyBall Controller | DufenTech
Jbhelth USB 2.4GHZ Wireless Finger HandHeld Trackball Mouse Mice for PC Laptop - Walmart.com
racketboy.com • View topic - A Killer Trackball Gamepad by REvolve on KickStarter
A custom KeyBall Controller V2 gamepad by dufentech | Modding Magazine
