Kendo (剣道, kendō, lit. ‘sword way’, ‘sword path’ or ‘way of the sword’) is a traditional Japanese martial art, which descended from swordsmanship (kenjutsu) and uses bamboo swords (shinai) and protective armour (bōgu). Today, it is widely practiced within Japan and many other nations across the world.

Iaidō (居合道), abbreviated with iai (居合), is a Japanese martial art that emphasizes being aware and capable of quickly drawing the sword and responding to a sudden attack.