Swedish Clover

"It's amazing how smooth this file can get your feet," says L.A. nail artist Lisa Jachno, who has pampered the soles of Jennifer Lopez and Kim Basinger. Designed to be nearly indestructible, with a coarse abrasive surface on one side and a finer one on the other, this file can go in the tub with you for ultrasmoothing: It's waterproof.