[header] How to stop a cat from chewing [title] Look for signs of compulsive chewing. [step] A compulsion is an irresistible need to perform a certain behavior. In cat's, the most common compulsive behaviors are wool or fabric sucking/chewing or excessive hair licking/chewing-also called psychogenic alopecia. 
This most often occurs when a cat is stressed or frustrated by something out of its control. In kittens that are weaned too early, this can become a problem when they become adults.