On a natural nail, it is important to set the speed of the electric nail file to slow or medium. Too fast a speed could injure your client and above all, be sure to raise the tip regularly to avoid excessive heat on the plate. Also, never use carbide tips on a natural nail. To shorten the nail, you will need a mandrel type tip + a fine sanding cylinder (240). Know that the conventional file will remain your best ally to create the desired shape. Then, if you want to remove the yellowed effect under the free edges, you can whiten them…