Friendly Design to Protect Pets' Skin The tip of our comb brush has a round bead design. Compared to other comb brushes, it doesn't have overly sharp needles and won't scratch your pet's skin when used. Remove Dead Hair Efficiently The teeth of the stainless steel brush penetrate the hair to comb your dog or cat's hair. One-Touch Design, Easy-To-Clean Brush The blue button on the handle activates a very simple and ingenious mechanism to remove all dead hair and debris. The retractable bristle design ensures that the grooming brush can be safely and easily stored in your grooming kit when not in use. Promote Blood Circulation, Make Hair Shinier When you're free, it's time to comb your pet's hair. It can not only comb pets' dead hair, but also promote blood circulation in the epidermis and make the hair shinier.