Requirements
Whenever implementing into your build(s), this is what you need in order to get the open / lockable differential controller to work:
Cookies Open Differential Showcase
2+ Clutches: 1 on left side-- 1 on right side
Physics Sensor [Big arrow forward -- Small arrow right]
W/S Control
Button to lock differential
No credit needed if MC or showcase is used in videos, screenshots, ect, but I would appreciate it if you do.