You don’t always need heavy equipment to push your body and burn calories. Take the DoubleFlex Black for instance. It is powered by SpiraFlex resistance technology, the same tech used to keep NASA astronauts in shape. You will be able to use it at home or in the office to stay fit.
More gadgets like this ➡️ : here
The device has ergonomic handgrips, nylon coated stainless steel cables, and up to 20 lbs of resistance. The second generation supports full range of motion. You can order this product on Kickstarter.
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