It is a military equipment with symbolic significance, usually worn by senior officers or commanders in formal occasions. Not only a decorative weapon, but also a symbol of authority and status. The design is usually very exquisite, with exquisite carvings or inlays on the handle and sheath, displaying the wearer's identity and honor. In some countries, the command knife is also an indispensable part of military ceremonies, such as parades and honors. Although the actual use of the command knife is rare in modern warfare, it is still preserved and passed down as a part of military tradition and culture.

Also known as hairpin, it is a hair accessory used by ancient Chinese women to fix their hair and decorate it. It has practical functions and is also a cultural symbol, carrying profound historical and artistic value. The history has a long and rich history, dating back to the Neolithic Age. With the change of dynasties, the shape, material, and craftsmanship of hairpins continue to evolve. From antique bone and jade hairpins, to exquisite gold and silver hairpins, and even to gorgeous hairpins inlaid with gemstones, the craftsmanship of hairpins has become increasingly exquisite, becoming a symbol of ancient women's identity and status. Although modern hairstyles rarely use hairpins, this traditional hair accessory is still loved by people.