Name of the armor

This term refers to formal armor, and is used to distinguish o-yoroi from other armor such as domaru, koshimaki, hara-ate, and tosei gusoku.
It is also called "Kisenaga".

The reason for the use of leather, which is attached from the front to the front left of the o-yoroi, is to prevent the bowstring from getting caught when drawing the bow, and this term refers to that leather.

The style is almost the same, with two steps for the front stand, three steps for the rear stand including the Sakaita board, and four steps for the Kabuki-dou(Body). The kusazuri is five steps including the wakidate. The Tsurubashiri-kawa leather is attached to the body, a Sendan-ita board and a Kyuubi-ita board are tied, and the back is attached with the Oshituke board and the Watagami shoulder board, and the Shoji board is placed above the shoulders. In addition, a ring with the Agemaki is attached to the Sakaita board, and the Agemaki braided Cord is tied and connected to the sleeve cord to adjust the sleeve. The left and right side Kusazuri are connected with a piece of leather called the Koumori-tsuke.

They are accessories to the O-yoroi, and both form a pair.
The Sendan board was added to protect the gap in the upper right chest, while the Kyubi board was added to prevent the left front side from becoming open. The difference in shape is due to the difference in use.
The Sendan board has more movable parts to prevent the bowstring from getting caught.
The Kyubi board acts like a small shield because the left hand moves forward when the bow is drawn, leaving the left chest side completely unprotected.

The part of the body of the armor below the breast plate and oshitsukeita and above the impulse body.
In the case of O-yoroi, the front has two steps and the back has three steps.

The part around the metal fittings mounting board on the back of the O-yoroi. The upper part of the rear tateage is attached. In O-yoroi, the Osituke board and the Watagami board are integrated.

This is a Kozane-Board attached only to O-yoroi, and refers to the second level board from Osituke. There is also an Odoshi on the back of the armor so that it can be free from the body and can be moved. In addition, there is a link with Agemaki in the center, which is connected to the sleeves and adjusts the position of the sleeves.

首の両側、肩の上に半円形の庄司板を置き、渡衣の端を胸板に結ぶ。

"Kabuki” means a long piece of armor, and refers to the part of the body of the armor that goes around the body. It is also called nagagawa.

A braid tied in a crisscross pattern. It usually has a tassel at the end and is used almost exclusively for decorative purposes. However, the original purpose of the Agemaki on the back is not for decoration, but to connect with the sleeves and facilitate the movement of the arms. When we speak of agemaki, we are generally referring to the agemaki on the back.

This refers to the part attached to the torso of armor that protects the waist and upper knees. O-yoroi is divided into four sections.

This refers to the upper iron plate of the Waidate board attached to the O-yoroi, named Tsuboita because it resembles the shape of a Tubo (jar).

A board to close the gap on the right side of O-yoroi.
The lower part of Tsuboita is joined with leather and Kusazuri is attached under it.

Byakudan-nuri (decorative lacquering) is done by priming the material, applying a polished lacquer coat, and then stamping gold leaf on top of the lacquer. Then, translucent Suki lacquer is applied over the lacquer.
Suki lacquer can be dark chestnut or candy-colored.