1. In the old customs, on the seventh day of the seventh lunar month, on the night when the cowherd and the weaver girl meet, the woman wears a needle to learn from the weaver girl, which is called begging for cleverness. Wear all the red silk: Zong Yi's Chronicle of Jingchu: "Tanabata women wear ribbons and wear seven-hole needles." This refers to threading the needle with HongLing.
2, the source of "Qiao Qi" Tang Dynasty: Lin Jie.