Meet the Tech Toc: a training tool that helps you swim better. You can wear it around your waist for proper hip position and stroke feedback during all four strokes. The device has a ball bearing and acoustic amplifiers to create a sound when it is tipped from side to side. The Tech Toc helps you use your core muscles the right way to develop more efficient strokes Yet another interesting trainer for swimmers.
More gadgets like this ➡️ : here
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