Xu Collection, Upper Volume Radical: Metal (jīn) 钀 Kangxi strokes: 28 Page 1328, Entry 04 Guangyun, Jiyun, Yunhui, and Zhengyun record its pronunciation as nie (falling tone), same sound as nie (falling tone). Yupian explains it as the bit of a bridle. Erya, Shiqi records that the bit is called nie. The commentary explains it as the iron piece on the side of a horse bridle. Shiwen marks the pronunciation of nie as nie (falling tone). Also, Guangyun, Jiyun, Yunhui, and Zhengyun record its pronunciation as yu (rising tone), same sound as yu (rising tone). The meaning is the same. Also, Jiyun records its pronunciation as yi (rising tone), same sound as yi (rising tone). It is the same as the character yi. It refers to the part on a carriage yoke used for threading reins. Also, Jiyun records its pronunciation as yi (rising tone), same sound as yi (rising tone). The meaning is the same.