Aiki (martial arts principle) and its practice is often kept within a particular individual or two from a family/school lineage. Culturally, and due to certain necessities of the time period, the aiki knowledge was usually a very well guarded secret and rarely disclosed. The oldest book to have historically discuss aiki was the 1899 Budo Hiketsu-Aiki no Jutsu. On the subject of aiki it was written: The Textbook of Jujutsu (Jujutsu Kyoju-sho Ryu no Maki) from 1913 wrote: Aiki (martial arts principle) Aiki from a Japanese budo term, at its most basic is a principle that allows a conditioned practitioner to negate or redirect
International Budo University the campus in Katsuura. IBU hosts the annually in March. The multi-day seminar is held for non-Japanese budō practitioners who reside in Japan, and is intended "to deepen the understanding of historical philosophic and scientific aspects of budo to increase our mutual friendship and internationalize our traditional culture". The seminar is conducted by Nippon Budokan, headquartered in Tokyo. IBU maintains international exchange programs on various levels with seven universities, including: IBU is accessible from Katsuura Station, which is served by the JR East Sotobō Line. Katsuura Station can be reached from Tokyo Station: The campus is a 15-minute walk from