He must know that body parts are not toys. If you send mixed signals by allowing him to nip and claw sometimes, but not others, your cat will become confused. Vary toys to prevent boredom. Homemade toys such as old socks tied together can make great toys. Y ou need not purchase everything from the pet store.
Many owners soon discover that cats love to claw the furniture.
They especially like fabric that is rough or bumpy. If your sofa or chairs seem to attract attention, try some decorative throws to keep your cat away. Place a scratching post covered with a rough textured material and sprinkled with a little catnip beside the furniture she likes to scratch the most. You can gradually move it to a more preferable location. If the post is to be effective, it should be at least three feet tall and have a wide sturdy base so that it won't tip over.