Lagerstroemia speciosa
In ancient China, men and women used hairpins to fix their hair crowns, and some put pens on their heads to take notes at any time, which is called hairpins (hairpins originally refer to a kind of crown ornaments that put hair on their heads).
Because the official hat will be fixed with a hairpin, it is often borrowed to refer to the official position, such as hairpin, tassel and hairpin, to describe wealth. The tassel is a silk hat band, and the water is a handwritten version.
Japanese women's traditional hairstyles are often decorated with hairpins. When Korean women wear Hanbok, they put their hairpins in their bun. If they wear a fake bun, they will also use the hairpin as decoration.
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Hairpins, also known as hairpins, hairpins and crown hairpins, are hair accessories used to fix hair or wear it on the top of the head, and also have decorative effects. Generally, it is single-stranded (one arm), and double-stranded (two arms) is called hairpin or hairpin, which looks like a fork.
Hairpin refers to the hair accessories used by women. Jin Chai refers to Jin Chai, which is a metaphor for a noble woman. Chai Jing refers to a simple dress with a thorn branch as the hair pin (the hair pin is an iron fork for mowing grass, not a hair accessory). Because the hairpin has two strands, it is borrowed to refer to the "second time around" and "broken ribbon" of the husband and wife.
Reference: Baidu Encyclopedia Hairpin