Bag for Bokken Jo Tanto TSUBAKI...
Student of HIRAI Minoru. HIRAI is the founder of Aikido Nihon korindo and first-shihan in Dainihon Butokukai.
Minoru HIRAI : Enwa no Aikido - Shinjuro NARITA
The reason of the nature and the universe: circular motions and harmony ( = Enwa)
This is the circular motion of body trunk.