Here are pylo boxes that lock together to allow you to push your body harder. York Plyo Boxes let you try multiple pull and step-up heights. They have handles for easy lifting and are made of solid oak wood. You can buy these in a 3″ to 12″ set. York Plyo Boxes are stackable and interchangeable. Costs under $500 at this time.
More gadgets like this ➡️ : here
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