Scratching_post
Scratching post
Object for cats to relieve skin irritation
A scratching post is a wooden post covered in rough material that cat owners provide so their pets have an acceptable place to scratch. The most common type consists of a wooden post, roughly 60–90 cm (24–36 inches) tall, covered in rough fabric or sisal. The post is mounted vertically in a wide base, which allows the cat to stretch upward on its rear legs and scratch freely without tipping it over. A post that is unstable or does not allow a cat to fully extend its body might put off the cat from using it. Surfaces vary: the post may be covered in sisal rope, upholstery fabric, the jute backing of a piece of carpet, or sections of corrugated cardboard. Many pet owners say they have to experiment with different surfaces to find one that their cats will scratch reliably. Matt Wildman, a cat behaviorist, explained that sisal or corrugated cardboard surfaces are favored by most cats.[1] Other kinds of scratching posts are more elaborate, with several levels of horizontal platforms for climbing and cozy cave-like areas where cats may hide. Very tall ones are often called "cat trees." These may have a vertical tension rod that extends to the ceiling to provide extra stability.