Exfoliating. Does the job but the pics in the description are way wider, heavier and sturdier than it actually is. Freunde von (E-)Gitarrenmusik, elektronischen Klängen und atmosphärischen Soundkulissen kommen voll auf ihre Kosten. I would like to see them without as much padding around the ankle, and they should be molded so the wearers foot is flat, and not raised up at the toes. From what I have read this will also work on the PS5 once it comes out since they are making the PS5 compatible with PS4 equipment. The very first day I put this on the AirPods right out of the box. Order now! Toilet paper rolls do not fit. Hoka changed everything for the worsts. There was a part, where a massive explosion takes place.