First, it is important to make the cat as relaxed and calm as possible. Most cats become nervous when having their claws trimmed, so it is essential to create a nice relaxing environment before your begin. Obviously, it is wise to choose a time when your cat is at his, or her, calmest.
Original post:
How to Trim Your Cat’s Claws
Keeping your cat’s claws trimmed is good for 2 reasons: First, doing this cuts down on the destructiveness by removing some, but not all, of his desire to dig his claws into objects you do not want him to. Second, it makes things a little bit more comfortable for humans when your cat crawls up on your belly and starts to “knead” his paws with sharp claws.
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Cat Claw Clipping – Is There a Good Way to Keep Your Cat’s Nails Trimmed?