Meet the Tension Toner: a foldable fitness bar with a resistance band within it that you can pull apart to create tension and activate more muscles. The bar also has metal d-rings, so you can clip weighs onto the bar. The Tension Toner offers horizontal and vertical resistance.
💪🏾 Trending strength training:
According to the developer, you can try over 200 exercises with this tool. You can find this project on Kickstarter at this time.
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