MUFF Muff - Wrist Power Ball, Wrist Training Ball Automatically Starts Wrist Strengthener black
Description
Self-start without lights The automatic start design requires pushing the core in the direction of the arrow, which is started by the internal spring, which is very simple and convenient. As it spins, it kills time, adds fun, and revives sore muscles. There aren't any weird vibrations, and it can spin for long periods of time without worrying about it stopping when it's moving. The convenient design can be carried anywhere, whether it is in the office, the gym or at home, it can be used as a toy to decompress at any time, and it can also exercise arm muscles. The wrist ball can promote blood circulation, increase the strength of fingers, wrists, hands, forearms, biceps, triceps and ligaments and shoulders, and restore muscle strength.
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