I saw an episode of King of the Hill awhile back and Hank, Dale, Bill, and Boomhauer were trapped inside Mega-lo-Mart. Boomhauer came across this neat-looking mechanism that had around 5 or 6 rings on it and he strapped himself into the center. After that, all the rings were spinning around in different directions and I KNOW I've seen this machine somewhere else so I want to know what it's called. Also, are they just a ride or do they have something to do with exercise?
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