and you will see it once they have their claws engaged. This subreddit calls them “Murder Mittens,” an online community of 231,000 members that shares images of cats with their “knives” out.
In the wild, cats scratch their claws to remove the dead layer of claw ... so it discourages scratching. Cat socks (aka mittens) to prevent scratching are an alternative to declawing.
No two cats have quite the same paws ... frequently giving a cat the adorable appearance of wearing mittens.