The custom of foot-binding began in the Song Dynasty, when one inch was about 3.07 centimeters now, so the three-inch golden lotus was about nine to ten centimeters. But foot binding is usually about three to four inches. It is about 12 cm. For example, in archaeology, six pairs of women's shoes unearthed from the Southern Song Dynasty tomb in Fuzhou, Fujian, are 13.3- 14 cm long and 4.5-5 cm wide.

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1, rulers of different sizes are different grades of "Lotus", those larger than four inches are "Iron Lotus", those four inches are "Anemone" and those three inches are "Golden Lotus". The theory of "three-inch golden lotus" requires that the feet should not only be three inches smaller, but also bend over and bend their backs.

2. Foot-binding characters must be three inches, which began in the Ming Dynasty. Wang Hung-chien's West Building Yuefu, Beaver Red Soft Shoes are Three Inches Long, Zhu Youdun's Yuan Gong Ci and Three Inch Bow Shoes in Front of the Curtain (a pair of bow shoes with a length of three inches are exposed in front of the curtain) are all evidence.

2. The origin of three-inch golden lotus: a dancer in Li Houzhu, Southern Tang Dynasty, who is beautiful and versatile, can sing and dance well. Li Houzhu specially made a six-foot golden lotus, decorated with jewels and ribbons, and ordered her to tie her feet with silks, so that her feet could bend slightly to make a new moon, and then put on plain socks and dance on the lotus stage, so that the dance would be more beautiful.

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