Filing your nails is very important. By filing and not cutting. the nails, the nail plates will stick to each other and the nail wont split. The Trind Flexi File is an ideal file to file your nails to your desired length. With the fine and coarse side you also easily file your nails in your desired shape.File your hand and toenails with the fine and coarse side of the Trind Flexi File. We advise you to file your nails instead of cutting them. When you cut the nail, dirt can enter the nail. When you file the nail, you close the nail plates and prevent dirt to come into the nail.