Knot Out Electric Pet Grooming Comb is the ultimate pet shedding tool in your pet supplies. The Knot Out Comb features recessed rotating blades that allow you to give your pet coat a nice combing. Should you encounter any knots, Knot Out features rotating blades that are behind a guard on the bristle area. These blades allow you to cut through the knot with just the press of a button, which means that you will not have to pull on the knot to untangle it. With this feature, you will be able to get rid of the knots in your pet coat without causing pain or discomfort when trying to do so. Knot Out is an easy and fast grooming tool to keep your pet fur well maintained. Requires 4 AAA batteries (not included).