2-in-1 Dual Head The 9 teeth side as an undercoat rake for stubborn mats and tangles. The 17 teeth side as a grooming brush for thinning and deshedding. Safe and comfortable for your pet. Get more professional dematting and grooming results. Pet Care1. Easily grooming without irritation or scratching. 2. Gently removes mats, tangles, knots and loose hair. 3. Eliminates dander and trapped dirt. 4. Skin massage increases pet body blood circulation. Protect Pet Skin This grooming brush have protect rounded tips and stainless steel blades design, which won't be too sharp to scratch the pet skin or make them feel uncomfortable when using. It not only works as a shedding brush, but also as an undercoat rake comb. Great for Different Pets Our dog brush is designed to work on pets of sizes from small to large with single or double coats and long or medium hair. Works great for dogs like Pomeranian, Husky, Labrador, Sheltie, Goldendoodle, Cocker, Corgi. The undercoat rake is also working on cats, rabbits and horses,etc. TipsPlease keep away from children and animals when not using. Please make sure there are no cuts or sores on your pet's body as this may hurt when grooming over them.