The FURminator Long Hair deShedding Tool for Giant Dogs reduces shedding up to 90 percent with its patented deShedding edges designed to reach deep beneath the long topcoat to gently remove undercoat and loose hair. Trusted by dog owners and veterinarians alike, these de-shedding tools are the only tools guaranteed to reduce shedding better than any brush, rake or comb. Ideal for use on very large dogs weighing over 90lb with fur longer than 2".