The Octagon is perhaps the most important aspect of the mon in the study of the physical arts.

First Representation: The Eightfold Path of Buddhism:

Right Speech

Right Understanding

Right Means of Livelihood

Right Effort

Right Meditation

Right Action

Right Intention

Right Awareness

Second Representation: Mon Gaku, the Study of the Crest

Third Representation: Hakkakkei Densho Gaku, Ethical Study of the Octagon.

Angle One: Energy Collection
Energy Collection includes, but is not limited to the study of breathing, posture, triangulation of alignments, timing, visualization, energy gathering and projection exercises, kata, kumite, and bunkai.

Angle Two: Healing Arts
Healing Arts include, but are not limited to the study of the Five Element Theory, anatomy, physiology, body systems, shiatsu, anma, nutrition, herbology, the study of boshin, bunshin, munshin, and setsushin (diagnostic techniques), posture, energy projection and gathering, kata, kumite, and bunkai.

Angle Three: Japanese Yoga
Japanese Yoga includes, but is not limited to the study of stretching and conditioning exercises designed specifically for the study of the Kosho Ryu martial arts as well as for general fitness, breathing, posture, triangulation of alignments, timing, visualization, energy gathering and projection exercises, kata, kumite, and bunkai.

Angle Four: Escaping Arts
Escaping Arts include, but are not limited to the study of breathing, posture, natural movement, triangulation of alignments, timing, jumping patterns, angling, eye training with respect to cutting down negative stimuli in reactions, falling techniques, hearing arts, arts of reading the opponent’s intent, the study of metabolism, kata, kumite, and bunkai.

Angle Five: Philosophy
Philosophy includes, but is not limited to the study of the mon, and of culture, history, awareness of the physical self, awareness of the spiritual self, kata, kumite, and bunkai.

Angle Six: Folding Arts
Folding Arts include, but are not limited to the study of fundamental throwing techniques, fundamental releasing techniques, fundamental ground techniques, breathing, leverage, anatomy, natural movement, entering motion, engagement and disengagement with a moving opponent, kyo and jitsu, kata, kumite, and bunkai.

Angle Seven: Meditation
Meditation includes, but is not limited to the study of Shodo (Japanese Brush Calligraphy), Ikebana (Japanese Flower Arranging), Iaido (swordsmanship practice for the sharpening of the mind and spirit), comprehensive understanding of philosophy and energy collection, history, understanding of kokoro, kime (focus), kata, kumite, and bunkai.

Angle Eight: War Arts
War Arts include, but are not limited to the study of strategy, timing, posture and posturing, angling, combative distancing, Kenjutsu (Japanese fencing), Iaijutsu (swordsmanship with combative application done from the sheathed posture), Naginatajutsu (Halberd arts), Sojutsu (Spearmanship), Bojutsu (long staff arts), Jojutsu (short staff arts), Tantojutsu (knife arts), natural movement, vital point striking techniques, muscular strikes, skeletal strikes and bone smashing, nerve strikes, internal strikes, breathing, triangulation of alignments, energy gathering and projection exercises, kata, kumite, and bunkai.