Das ich das noch erleben darf! It probably would scratch or wear a finish. I was looking for slippers with a solid sole. They have never fallen out with the silicone piece. However, after figuring the first shelf, the others were easier. I personally like to wear heels with an arch but dont like it to be to back. Estoy en espera del reembolso The cord is amazing, I wish more cords were like this one, but they are not, which is exactly why most of our headsets are cordless. Vorweg, der Schuh ist super bequem, fallen meiner Meinung etwas zu groß aus. So, I wear them bare footed.