It is an ancient and unique weapon that originated in the Middle East, especially with a long history in Persian culture. Known for its curved blade and cross shaped handle, it is usually forged from high-quality steel and extremely sharp. The curved design of the blade not only increases its attack range, but also enhances its cutting ability, making it highly lethal on the battlefield. The handle design of the cross shaped long curved knife helps provide better grip and control, while also being decorative. Over time, the cross shaped long curved sword gradually evolved into a cultural symbol, often appearing in various works of art and historical documents.

The 1796 Infantry Officer's Sabre, abbreviated as 1796, was the standard equipment of the British Army in the late 18th century. Although the design of this sword appears weak with a slightly curved blade, making it more suitable for duels rather than actual combat, it marks an important development in British military weaponry. Improvements have been made in terms of quality and balance. Despite the small blade area and insufficient protection, as a secondary weapon, its flexibility is still favored by officers. Although the 1796 type sword was later replaced by more advanced sword types such as the 1822 type, its position in military history is indelible and it is a witness to the end of the era of cold weapons.

It is a single blade curved knife that originated in medieval Europe and further developed and became popular during the Renaissance period. The characteristic is that the blade is curved and the tip of the sword is sharp, usually used for chopping rather than stabbing. During the Renaissance, with the rise of firearms, traditional swordsmanship gradually evolved, and the Farsin sword became a beloved weapon among soldiers and civilians due to its practicality and ease of operation. The curved blade design is not only suitable for chopping, but also convenient for use in narrow spaces, such as in forests or urban street battles. The hilt is usually shorter, making it easier for both hands to grip and increase the power of the strike.

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.

The Kopis sword of ancient Sparta was a double-edged sword known for its curved blade and sharp tip. Originating from Greece in the 8th century BC, it is one of the iconic weapons of Spartan warriors. The design is very suitable for close combat, the curved shape can increase cutting power, and the sharp tip can be used for stabbing. The sword body is usually made of bronze or iron, and the hilt is made of wood or bone, sometimes reinforced with metal. Spartan warriors were known for their rigorous military training and combat skills, and the Kopys sword became a deadly weapon in their hands.