The nail tip is cracked. This problem may be caused by dust in the nail wire or the hardness of the nail wire is too high, the nail wire needs to be replaced or tempered, or the nail knife film is inaccurate, and the nail knife must be sharpened according to the regulations.
Nail flash. Causes of such failures are: a. If the nail blade is not sharply ground, you need to re-grind the nail blade, b is that the blade hardness of the nail blade is too low, and the hardness of the nail blade needs to be increased, and c is the hardness of the nail wire is inconsistent. Change the nail. Silk is fine;
The nail tip is not right. First of all, it is necessary to check whether the size of the nail knife is inconsistent. In this way, the nail knife edge must be re-sharpened, and the position of the knife edge is not compared. Just re-adjust the position of the nail knife.