The son of the dragon - Yaizhen. According to legend, the nine sons of the dragon are all different. Yaizhen ranks second, looks like a jackal, and is prone to being killed by fish. Often carved on the hilt and scabbard. The original meaning of Yaizhen is to stare angrily, as the saying goes, "The virtue of a meal must be repaid, and the resentment of Yaizhu must be repaid." It is not only decorated on the weapons of famous generals on the battlefield, but also widely used on the weapons of ceremonial guards and palace guards, making it even more majestic and solemn.