Dyna-Flex Powerball — Favorite Exercise Toy

But let’s say that you’re not a foundryman or a fitness nut, just somebody who types for a living or plays a lot of video games and wants the body to hold together a little longer. The Dyna-flex may not extend your lifespan but it certainly will maintain your keyboard fingers and mouse manipulating wrist. That’s also important, if most of your body lives in World of Warcraft.

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