Bamboo practice sword There have been practice swords of various kinds throughout the history of Kendo: some are made of spliced bamboo covered with cloth or hide.

Full armour The words "Roku Gu" (six pieces) are used. This is a set of armour consisting of Cuiras, gauntlets, sleeves, apron and thigh pieces, or, according to another convention, body armour, helmet, mask, thigh pieces, gauntlets and leg pieces.

Kamiza This is the residence of the ancestral spirit of a house; the head of the house sits nearest this place. It is often a slightly raised recess in a wall, sometimes containing a hanging scroll, armour, or other religious property.

To release four hands "Yotsu te o hanasu" - the expression "Totsu te" means the condition of grappling with both arms engaged with the opponent's arms, or "deadlock". It is also the name used to describe various articles with four corners joined, such as a fishing net, and was given to an article of ladies' clothing which consisted of a square of cloth tied from the back over each shoulder and under each arm, with a knot on the breast.

The body of a rock This is recorded in the Terao Ka Ki, the chronicle of the house of Terao. Once, a lord asked Musashi "What is this 'Body of a rock'?" Musashi replied, "Please summon my pupil Terao Ryuma Suke." When Teruo appeared, Musashi ordered him to kill himself by cutting his abdomen. Just as Terao was about to make the cut, Musashi restrained him and said to the lord, "This is the 'Body of a Rock'".