..as my headline suggests, this inversion boots are very far. You have to hang relaxed, either tighten the toes strong or wear shoes and a pair of thick socks to. However, this is the only drawback, processing and delivery are good, price is better than competitors products and they are very convenient when used correctly. Delivery very fast, Bad Company is as always mitlwerweile really one of my favorite brands. Do not make the mistake of trying to use the parts on a door bar or a pull-up bar that is held only by jamming the door frame. You probably breaking his neck. Only screw rods allow safe working with these shoes. Also, I would advise against the negative Squats (legs put in suspended position), because if you bend your legs slips the hook dangerously far back, and it looks as if he could slip out with jerky execution.