Build your own “Rockit Launcher” trainer rocking plate | Zwift Insider
DIY Rocker Plate with Fore and Aft (Linear Rod Bearing Type) - YouTube
DIY Rocker Plate : r/Zwift
My DIY bike rocker plate is ready for self-quarantine (it really does help to spend more time on a trainer by making it more comfortable) : r/bicycling
Rocker Plates for Trainers - Equipment - TrainerRoad