I love this brush, especially for cleaning the floor in the shower. This makes the process easy and effortless. Cleaning the shower walls requires more effort. On shower walls, the rotating brush tends to crawl along the wall instead of staying in place. It takes some getting used to. You need to hold the tool head tighter to keep the brush moving across the target without trying to slip away. I still have to get used to that. I think the design of the unit makes it easier to control than trying to use the brush head on a heavier drill.