The Path
RANKS
Kokoro-Jitsu has two Black Belts. They are not the same thing. They are not in competition with each other. They answer different questions and reward different kinds of dedication. Both are real. Both are hard. Neither apologizes for what it is.
VERTICAL VS. HORIZONTAL MASTERY
Most traditional martial arts rank systems are vertical by design — depth of specialization in a single art over time. The longer you train in one system, the higher you climb. This is a legitimate path. But it is not the only one.
Kokoro-Jitsu is horizontal by design. The full KJ Black Belt reflects breadth: verified competence across multiple domains, teaching ability, philosophical synthesis, community building, and personal devotion to the art. A KJ Black Belt is not the world's greatest specialist in a single style. They are someone who has done many hard things across many dimensions of the martial arts life and can demonstrate it.
The military has a direct equivalent. Special Forces soldiers are specifically trained to be generalists — competent in weapons, medicine, engineering, languages, tactics, and leadership. The doctrine is explicit: breadth of capability is the skill. The full Kokoro-Jitsu Black Belt operates on the same doctrine.
KJ BJJ BLACK BELT — The Grappling Foundation
The KJ BJJ Black Belt is earned through the Third Place Dojo curriculum: a presence-first, concept-driven grappling path built on Brazilian Jiu-Jitsu. Belt colors follow the BJJ progression (white, blue, purple, brown, black). Rank is awarded by a qualified KJ instructor who has observed the student consistently over time. At this stage of the art's development, that means the founder. As the system grows and more qualified instructors emerge, that authority extends to any KJ instructor recognized to hold that responsibility. The standard does not change. The person applying it may.
BELT COLORS — KJ BJJ Path
Each belt has four stripes, awarded by the instructor when something genuine has shifted. There are no checklists, no tests, no forced timelines. The full curriculum and stripe system is documented at Third Place Dojo.
KOKORO-JITSU BLACK BELT — The Full System
The full KJ Black Belt requires verified conceptual grappling intelligence alongside the multi-art requirements below. Grappling competence is not verified by rank held elsewhere — it is verified by a qualified KJ instructor through direct observation. A high-ranking BJJ practitioner who cannot roll and understand grappling as concepts and principles, and embody the culture the art is built around, does not meet this requirement regardless of their credentials. The understanding must be real and it must be seen.
BELT COLORS — Full KJ Path
BLACK BELT DEGREES
Degrees are earned through two independent tracks — achievements and time landmarks — that run in parallel and can converge. There is no fixed sequence and no automatic first degree. A plain black belt has no degree. All 9 must be earned. The belt reflects total degrees accumulated regardless of order or which track they came from.
- Preserve, Publish, and SynthesizeCreate and maintain a substantial, publicly accessible body of martial arts documentation — techniques, kata, curriculum, philosophy, or any combination. It must be findable by a stranger, navigable without your help, and exist independently of your presence. No paywall. No membership. No access request. The work must reflect your voice, your path, your synthesis. Qualifying works may be submitted to the official KJ archive: 「こころ術 — In Their Own Words」
- Run an active Kokoro-Jitsu clubMinimum one year of active operation. An active KJ club is defined by its accessibility: it must offer at least one free class per week, open to anyone who wants to train. No tryouts. No fees. No barriers to entry.
- Earn the highest foundational rank in a recognized martial artOutside KJ's two cornerstones. Covers belt systems, Shodan equivalents, and equivalent foundational thresholds in arts that do not use belt systems. The art must be recognized with a real lineage.
- ShugyoA deliberate, difficult personal act chosen in service of the martial arts journey. Submitted for founder approval. No prescribed form — but it must be genuinely hard, demonstrably connected to the art, and intentionally chosen. There is no checklist — only the question: was this chosen deliberately, was it genuinely hard, and did it serve the art?
- 5 Years post Black BeltAdds one degree at the five-year mark — wherever that lands in your personal sequence.
- 10 Years post Black BeltAdds one degree at the ten-year mark. A technique learned at year 2 lands differently at year 10. Time under the belt has meaning in itself.
- 20 Years post Black BeltAdds one degree at the twenty-year mark.
- 30 Years post Black BeltAdds one degree at the thirty-year mark.
- 40 Years post Black BeltThe final time landmark. Forty years is a life given to the art.
BELT MARKING
The KJ BJJ Black Belt is plain — no markings of any kind. The full Kokoro-Jitsu Black Belt carries the こころ術 kanji embroidered on it. Post-black-belt degrees are marked on the embroidered belt only, mirroring IKCA Kenpo: each degree adds a stripe until the 5th, at which point a bar replaces all four stripes. Additional degrees then add stripes to the bar.