Review title is Slides around with stiff bristles [SEP] I have this in a normal bathroom surface and it doesn't stay put and slides around from side to side. I feel like I will lose my balance trying to really place my foot on it. This also makes it really hard to use the pumice stone. I also don't like how the bristles feel. They are hard and seem to suck up the soap so there's not much ability to get good suds.