Meet the Charlie Ball: a handy tool that helps you deal with back pain and muscle stiffness while sitting down. It can be attached to any chair. You can control the pressure from the ball by changing its shell (hard or hard). The Charlie Ball moves freely and provides you instant relief.
More gadgets like this: here
You can use this ball to work on your sore feet, tight hips, and other areas. The product is expected to ship in September.
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