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Originally Posted by volleyball  Gave me a good laugh. It reminds me of one of the belt things that women put around their behind as it shook it way back in the 50's and 60's. The only way you lose calories is by upchucking it |
They had one of those at the hotel where we had the party the eve before my wedding. My friends hooked Mike, who was stinking drunk, to one and held him there
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These things sound similar to the Dynaflex Gyro balls
Dyna Flex International, for sports and fitness, carpal tunnel, tennis elbow, tendonitis, wrist pain and grip strength The ball moves in random¿ directions at high speeds and you use every muscle from your shoulders to fingertips to work it. It's a great product.
