What You Can Do
Cats scratch furniture for reasons other than sharpening their nails. These articles are particularly good at explaining the various reasons for the behaviour and what you can do about it.
Some people use nail caps on their kitties. See below for a review of the top five choices, and hints for choosing them.
You can learn to trim your cat’s claws yourself. Keeping claws short makes a difference. It is easy to do and our how-to article explains the process.
ARTICLES
Jackson Galaxy: How to Stop Your Cat from Scratching Furniture