A nail grinder is a tool used to trim and shape the nails of pets, particularly dogs and cats. Unlike traditional nail clippers, which can sometimes cause discomfort or splintering, a nail grinder uses a rotating abrasive surface to gently file down the nail. This method allows for more precise control and can help prevent over-cutting, which can lead to bleeding. Nail grinders come in various designs, including battery-operated and rechargeable models. Many feature different speed settings and attachments to accommodate different nail sizes and hardness. Regular use of a nail grinder can help maintain a pet's nail health and prevent injuries from overgrown nails.