Allstar Innovations Knot Out Electric Pet Grooming Comb - Remove Knots and Tangles Remove knots and tangles instantly from your pet's hair without pulling, pain, or stress The electric rotating blades remove knots with the touch of a button Knot Out grooming tool gently massages your dog or cat while keeping the blades safely away from the skin Replaces old brushes, groomers, and supplies with one mobile tool So effortless to use and easy to clean it will become your favorite pet hair removal tool