This is a nail buffer. It has 4 "sides"--shape, smooth, buff, shine, but it looks like a nail file. I prefer to wear my nails shortish, no polish, and buffed, and this is amazing. Costs $12, but...
About reviewer (975 reviews)
Age44-55
SkinCombination, Fair, Cool
HairBlond, Wavy, Fine
EyesGreen