Cat claws are sharp, retractable structures made of keratin, the same protein found in human nails. They serve multiple purposes, including hunting, climbing, and self-defense. Cats use their claws to grip surfaces and catch prey, making them effective hunters in the wild. In addition to their functional uses, cat claws also play a role in communication. When a cat scratches surfaces, it marks its territory with scent glands located in their paws. Regular claw maintenance is important for indoor cats, as it helps prevent overgrowth and potential injury to themselves or their owners.