a springy horse toy into a Wiimote-based racing controller. The video of the rig in action provided plenty of evidence that it was awesome, but not so much information about how to do it in your own home with your own spring horse.
This tutorial on Hack a Wii gives you step-by-step directions to make your own bouncy racing seat. Provided you have the Bluetooth capability and know your way around GlovePIE, you could be playing Need for Speed in style! (The style is "ridiculously.")
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