Protect Your Door from Man's Best Friend. Stop scratch marks on your front door when your puppy needs to go outside. Our Scratch Guard™ adds a discreet vinyl layer that prevents dogs from clawing at paint or wood finish. Installation and cleanup is a breeze! Simply hang the Scratch Guard™ from your doorknob and secure the eight hooks to anchor it in place. Use a damp washcloth to wipe away muddy paw prints in seconds. 36"x16".