How to distinguish the differences among Uighurs, Tibetans, Tujia and Mongolians?

Uyghur hats are flat-topped, mostly polygonal or quadrilateral, with obvious edges and corners and no ears. The color is very bright.

Mongolian hats are pointed and round, with no edges and no ears. The main colors are blue and red.

Tibetan hats are flat-topped, round, with ears, fluffy lining and yellow.

Tujia hats are flat, flat-topped, round and have no ears. It is inlaid with silver and has a silk handkerchief hanging on the edge. Men are mainly black, and women are inlaid with silver, red and blue.