Cats have very sharp claws. Claws grow fast and start bending easily, claw barbed will affect the cat walk and stabbed legs. In order to maintain sharp claws and prevent excessive bending, cats form habit of grinding claws. Grinding claws is an instinct, which is necessary for their own physiological adjustment. In order to protect their sharp weapon, cats usually grinding claws through furniture, curtains or sofa, which no doubt will bring the troubles to the master. At this time cat scratch board can be used to solve your troubles.A win situation for all. Happier cat and owner guaranteed. No assembly required. All materials tested using international safety standards.