Grounded
Answers cite the page they rest on. Where the sources disagree, the disagreement is kept. Where they are silent, Tetsu Kagi is built to say so rather than fill the gap.
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Tetsu Kagi, the iron key, is a martial-arts knowledge platform built on historical sources. It answers from the books themselves and traces every claim to the passage it came from.
Answers cite the page they rest on. Where the sources disagree, the disagreement is kept. Where they are silent, Tetsu Kagi is built to say so rather than fill the gap.
Who taught whom, as the sources record it: master to pupil, school to school, with the evidence for each link one step away.
A technique is not one canonical movement. Differences between systems, teachers, rulesets and eras are kept as the sources describe them, not flattened into one.
Every tradition is first-class. Jujutsu and catch wrestling, boxe française and the prize ring, destreza and Italian fencing, the archery of many peoples, all in one connected body of knowledge.