Takemusu Aikido Volume 4 - Kokyunage Aiki News | 2001 | ISBN: 4900586242 | English / Japanese | 205 pages | PDF | 144.63 MB Takemusu Aikido, Volume 4: Kokyunage is the fourth volume of a comprehensive technical series covering the aikido of the Founder Morihei Ueshiba, as taught in Iwama, Ibaragi Prefecture following World War II. This manual presents somes 80 variations of kokyunage, among the most important techniques in the aikido curriculum. Bilingual, Japanese and English.