Jangdojang refers to the skill of making decorative daggers, or to an artisan with such a skill. Since the Goryeo Period (877 – 1394), people, men and women alike, carried jangdo (ornamental knife) to protect themselves or as an accessory. Following the Japanese invasion of Korea (1592 – 1598) women of noble families regarded jangdo as an essential item to be carried by them to protect themselves. Toward the late Joseon Period (1392 –1910), jangdo became a luxury accessory.

Jangdo was made of gold, silver or white jade. Scholars liked to carry jangdo displaying their favorite phrase inscribed with a heated iron. Jangdo were mainly made in Seoul, Ulsan, Yeongju, and Namwon. Those made in Gwangyang, Jeollanam-do are known for their uniquely Korean gracefulness. Jangdo made of diverse materials display also the diverse handicraft techniques of the Joseon Period.☆

Jangdo was a small sword that was used as a self-defense tool or as a jewelry, regardless of gender. It is called a pado because it is worn with a norigae on the waistband or on the neck of clothes, and it is said that it is a romanticism to carry around in the pocket of a long-distance person. The person who has the skill and ability to make such a jangdo is called Jangdojang.

Since the Goryeo Dynasty, adult men and women carried it for self-defense, especially after the Japanese Invasion of Korea (1592) in the Joseon Dynasty, women from noble families carried it with them. Since the late Joseon Dynasty, symbolism and decorative features have been emphasized rather than practical functions as a hand knife, making it a part of the women's nori decoration, creating a variety of elaborate and colorful jangdoes.

The types of jangdo are divided into silver, ranch, and corrugated road according to the materials of the sword handle and the sheath. The shape also classifies the date, Eulja, and subscripts with chopsticks as . Monggae sword is used to have a jaw where the blade and the sheath are interlocked, and the cylindrical shape is called a flat and octagonal shape is called an octagonal sword or a prosthetic sword. A felon with a pattern on the decoration is called a felon, and a pentagon-adopted sword is called an obong-cal, or a minja-cal.

Ren Jae-chul of Jinju, Gyeongsangnam-do, is a successor of a rare folk craftsmanship due to his skill in carving traditional patterns, especially in Eunjang-do. Thus, Gyeongsangnam-do recognizes Lim Se-chul as an intangible cultural asset and preserves his craftsmanship.

Jangdo is a small knife on the body that was used as a protection device or accessory regardless of gender, and a person with the skill of making Jangdo is called Jangdojang.

Since the Goryeo Dynasty, adult men and women have carried it for self-defense, especially since the Japanese Invasion of Korea (1592), women and women of the aristocrats have carried it to protect their purity. Since the late Joseon Dynasty, symbolism and decorativeness have been emphasized more than the actual function of a handknife, making it part of women's nori opening ceremony, and various elaborate and colorful ornaments have been made.

Among the intestines, the one you wear on your body is called a paddle, and the one you carry in your pocket is called a nando. Depending on the type of knife and sheath, there are silver, white jade, porridge, ink, odong, godmother, ivory, etc. and cylindrical, square, hexagonal, octagonal, etc.

Jangdo, which served as a guardian and decoration, has been famous for its funeral halls in Yeongju since the mid-Joseon Dynasty. Kim Il-gab is the only victor in the Yeongju region who has been handed down the traditional Jangdo production function, and in North Gyeongsang Province, Kim Il-gab is recognized as an intangible cultural asset to preserve Jangdo craft technology.