Classy Cat & Dog Raised Pet Dishes Philocomb Groomer Mat & Undercoat Remover Diatolib Shipped by Priority Post: Original Innovative Japanese made design with curved flexible teeth that get down under hair to remove mats and undercoat with ease. Made from an engineered polycarbon material, not plastic or metal which can damage hair shaft. The teeth have tapered ends and will not scratch pets skin. No sharp corners on this comb. The handle grip is short and ergonomic and easy to maneuver especially for arthritic hands The flexible teeth ride gently over joints removing undercoat as they move side to side and up and down.