You lay on your back with calves/ankles laying in this.....and it vibrates/jiggles the daylights out of you!
Realy fun trying to talk with this thing, good for cartoon voice overs.
I used this years ago at a PT place. It loosens you up and supposedly helps lymph drainage.
www.jdsorientalhealthsupply.com/Chi/chivitalizer.htmlSeriously, I remember it felt great. Not much $ either. I think the best are like 400, one above is 199 us$.