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Mat notes
Practice log
Source set
- CKC belt requirements reorganized by IJF/Kodokan technique families
- Kyu progression: Gokyu through Ikkyu
- Dan progression added through Sandan
- Nage-waza, Katame-waza, Renraku-waza, Kaeshi-waza, Kata, and Kinshi-waza sections
Technique and kata demos use official references where available. Original generated demos are used when exact public clips are unavailable or when third-party footage is not ideal.