Ninjitsu is the Japanese traditional art of camouflage and stealth, it was developed in feudal times for espionage and is currently practiced as a martial art. 

Hapkido is a form of self-defence that comprises of joint locks, grappling and throwing techniques. 

Kendo is a Japanese form of fencing with two-handed bamboo swords, originally developed as a safe form of sword training for samurai.