When using a long bath towel, the pull ring will rotate. When we hold the towel and rub our back hard, the pull ring will often rotate, so we have to stop to straighten the pull ring, and then Pull it and rub your back. In the past, when I used a long bath towel at home, I would rub it once and straighten it four or five times. The constant need to hold the ring makes the whole process very awkward, so after using it for a while, I returned to the bending back rubbing method I invented! Now, I have found a back rubbing tool that I think is good, and I am trying it out. We all call it a scrub brush, and it looks like this: