of weapons, and grappling techniques for use both while armored and unarmored. The techniques of Yagyū Shingan-ryū were designed to eliminate an enemy quickly and effortlessly. In the early days, both the Yagyū Shingan and Shinkage schools were similar, as both consisted of an array of armed and unarmed combat techniques. However, as the two schools evolved, the Yagyū Shinkage-ryū focused primarily on swordsmanship ("kenjutsu"), whereas the Yagyū Shingan-ryū continued as a comprehensive combat system, training several arts, including jujutsu, quarterstaff fighting ("bōjutsu"), glaive fighting (naginatajutsu), sword drawing techniques ("iaijutsu") and sword fighting ("kenjutsu").