Penn Plax Corner Wall Scratcher This scratch posts broad and sturdy sisal wall surface is so tempting to cats, theyll much prefer it over the sides of your couch. Double the functionality  this scratcher has two sides, can be tucked into a corner or angle out, and has a plush top for perching. Help your cat work off energy, release stress, and keep its claws in great condition. Theyll enjoy watching goings-on from the top perch. Train your cat with no need for sprays or shocks. Just rub a bit of catnip (not included) on and watch your cat enjoy scratching and purring away. Stop your cat from scratching up your chairs and rugs and relax worry-free, knowing both you and your cat will be happy.