One of the most satisfying things for cats is scratching. A few know that cats mark their territory with scratching or when they scratch they leave some kind of mark or sign to a particular area making it their territory. So, in order to protect your household it is wise idea to invest in scratching posts for cats. Also, they will use scratch posts for healthy nail growth and will scratch their bodies.
Source: https://www.thevetshed.com.au/cats/toys/scratchers/posts/
