What is a 'nail file'?

What is a 'nail file'?

Carla Kay (Celebrity Manicurist) gives expert video advice on: What is a 'manicure'?; What does a manicure do?; What products do I need for a manicure? and more...

A nail file is something that you're going to use to shape your nails. The nail file should be very smooth, so that you can go around your corners and shape without it fraying or being too strong, where you could even slice the tips of your fingers.