Like new FURminator undercoat brush/deshedder for short-haired dogs, unfortunately, my dog has not adapted to this product and refuses to let us use it on him! Though with 42,000+ positive reviews on Amazon, we imagine you'll have better luck than us! :) Description below is from the product page: About this item FOR LARGE DOGS WITH SHORT HAIR: Designed especially for dogs that weigh more than 50 pounds. REMOVES LOOSE HAIR: Reaches through the topcoat to remove loose undercoat hair without cutting skin or damaging the topcoat (when used as directed). FUREJECTOR BUTTON: Just push the button to release hair with ease. ERGONOMIC HANDLE: For comfortable, easy grooming. GUARANTEED: Guaranteed to work or your money back – see product label for details.