A Curriculum Built for Accessibility
Facing students with no prior exposure to Japanese language or culture, Kawaishi devised a numbering system that made his curriculum immediately accessible. Rather than requiring students to memorize Japanese terminology before engaging with technique, he classified movements into plain-language sequences — "hip throw number one," "leg technique number one" — allowing practitioners to focus on physical learning rather than linguistic barriers. The system was pragmatic without being reductive, preserving the full complexity of his curriculum while lowering the threshold for entry.
On the question of rank and progression, Kawaishi played a significant role in shaping how advancement was visualized in French and European judo. Colored belts as a concept had been developed in England during the mid-1920s, where visible markers between the white and black belt were first introduced to denote incremental progress. When Kawaishi arrived in France in 1935, he brought this system with him and proceeded to develop and formalize it as a central pedagogical and motivational tool within his teaching method. His son Norikazu later confirmed that the purpose was deliberate: giving students tangible, achievable milestones sustained engagement and effort in ways that a simple binary of beginner and master could not. Kawaishi's contribution was not the invention of the colored belt but rather its purposeful adoption and systematic development as a framework for judo instruction across France and, eventually, much of Europe.
A Comprehensive Technical Syllabus
Kawaishi's curriculum extended well beyond throws. He maintained a comprehensive syllabus encompassing self-defense applications, groundwork (Ne-Waza), leglocks, and kata — resisting any narrowing of judo toward purely competitive ends. He placed particular emphasis on Kyuzo Mifune's Gonosen no Kata as a cornerstone of technical education. To codify his approach and extend his reach beyond the dojo, he authored My Method of Self-Defence, a work that served as both instructional text and testament to his integrated vision of the art.