Xu Collection, Upper Volume Radical: Metal (jīn) Zuan Kangxi strokes: 17 Page 1313, Entry 19 According to the Rhyme Compendium (Yunhui), pronounced zuan. It refers to a horse ornament. Book of the Later Han, Treatise on Carriages and Clothing (Houhan Shu, Yufu Zhi): Gold ornament. Cai Yong, Sole Determinations (Duduan): A gold ornament, which is a horse headpiece. It is four inches high and wide, shaped like a jade flower, and placed in front of the horse mane. It is also written in a variant form. Book of Jin, Treatise on Carriages and Clothing (Jin Shu, Yufu Zhi): Gold and square ornament. The gold ornament is made of iron, decorated with gold patterns and yak tails, three inches in size, with the center and two ends raised like mountain peaks, and a hole in the middle to thread and secure pheasant tail feathers. Biography of Ma Rong in the Book of the Later Han (Houhan Shu, Ma Rong Zhuan): Raising the gold ornament and dragging the jade mountings.