Cosmic Catnip scratching post helps your cat keep his claws naturally trimmed. Since a cat's claws continue to grow throughout their lives they must periodically remove the scaly sheath that encases each nail. Scratching is the cat's natural way of removing this scaly sheath. The best way to save your valuable furniture is to provide the Cosmic Catnip scratching post. Your cat will love the flavorful catnip aroma and after a while you can replenish it with fresh cosmic catnip.