Funzt knotless .. just like I said is just probably n Us product and have only houses papier-mâché and accordingly thin frames ... with me fits the thing actually only at the toilet door. IS but quite stable .. what the frame should be. I let my work aufer the sleeve in the middle probably nochma hard welding .. but so is already strong enough. Advantage, it can also down in the door jam as leg supports for abdominal exercise or as spacers in pushup, or back for Trieps behind the increase, I put this on one end on the bed then adjusts the Perfect ... 2 Armgurte are at the Manufacturer I've taken too. Little tube, much more efficient :) (so the text then I will also review the post in Amazon: P)
Said and done: D: D: D
and always remember:
NO PAIN NO GAIN