I have tried several things to cut down on the noise and marks created by my 4th graders scooting their chairs in and out. I have tried tennis balls. These are great, but often pop off and have to be put back on. Most of them have lost their ability to stay on by Christmas. I have also tried double thick felt rubber-banded on like booties. These lasted about 3 months before they started tearing. I was wondering if anyone has used the stick on carpet circles. The adhesive is supposed to be very strong. This might be a cheaper, easier alternative. I think I will try it this year unless someone has a better idea.