1. After brushing the hair, simply press the button. The shutter will open and automatically separate the fallen hair from the metal pin one at a time. Then you can simply clean the hair and use it next time. The self-cleaning hair removal brush can effectively save your time and energy for grooming and cleaning. 2. The metal needle and rubber tip at the end of the brush prevent your pet's skin from being scratched. It is made of stainless steel and is thicker than ordinary pet hair removal brushes. Our brushes are stronger, durable and not easily deformed. Suitable for long-term use. The curved elastic tip is designed to penetrate deep into the undercoat and increase effective blood flow. Provides super comfortable massage and grooming for your pet. 3. The non-slip handle is designed in an oval shape, comfortable to grip and easy to control. No fatigue when grooming and massaging your pet. 4.The brush is waterproof, washable and easy to keep clean. Easily removes pet hair, whether long or short, fine or coarse, almost regardless of type, painlessly. Effectively removes loose undercoat, matted or knotted hair, dander and stuck-on dirt from cats and pets, leaving your pet shiny and healthy. 5. A good pet hair brush can not only bring you and your pet an effective and enjoyable grooming experience, but also better interaction and deepen the bond between you and your pet. It is definitely a good gift for your pet.