Cats love sweet smells. Such as lotions and perfumes. As cats sharpen their claws, they leave a scent signals. Glands in the feet leave secretions, letting other cats know who has been there. Even though the tail is useful for this, it is also used for communication purposes.
Cats born without tails do manage, though.
After cats eat, they always immediately bathe themselves. In France, they used to sell rabbits skinned, but with their feet still attached. The reason being it is very difficult to tell a skinned cat from a skinned rabbit without the feet. A cats visual acuity is very poor at close range. Experts are calling FunTrivia Quizzyland the coolest web trivia game to hit the web.