It attaches to a threaded pole and works great for scrubbing against baseboards and walls. It does a great job at scrubbing filtration lines. When we saw it we knew it was the perfect brush for cutting along edges to complement the Cimex. You'll find this brush to be a quick and simple tool for cleaning hard to reach places. In addition to using the Edge Brush with a threaded pole it can also be used without the pole for hand-scrubbing. The brush also has a chisel edge that can be used to chip chewing gum from the carpet in conjunction with a freeze spray. Work well for scrubbing grout lines and getting into the edges whilst doing hard surface cleaning.