China Naming Network - Eight-character lottery - What is the toe pattern?

What is the toe pattern?

Vertical stripes: the nail surface is not smooth enough, and there are straight stripes, which usually appear after overwork and excessive brain use; These vertical stripes will appear obviously in the case of insufficient sleep. If vertical stripes persist, it may be a chronic disease of internal organs. If not nursed back to health, with the development of the disease, nails will become uneven and even crack.