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As well as squeezing stress balls and pulling on fingerboards, I bought a powerball a few years ago after one of my friends lent me his. It really helps with the wrist and forearm, and if you get t...
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As well as squeezing stress balls and pulling on fingerboards, I bought a powerball a few years ago after one of my friends lent me his. It really helps with the wrist and forearm, and if you get t...