# Sources — Keith Code

## What informed this capture

1. **Keith Code, *A Twist of the Wrist*** — survival reactions, attention budget, rider psychology, racecraft basics.
2. **Keith Code, *A Twist of the Wrist II*** — throttle control, visual skills, quick turn, steering, reference points, and drills.
3. **California Superbike School official Keith Code biography** — school timeline, curriculum development, training aids, riders coached. https://superbikeschool.com/keith-codes-biography/
4. **California Superbike School curriculum pages** — levels, step-by-step drill philosophy, visual skills and on-track coaching. https://superbikeschool.com/the-curriculum/
5. **A Twist of the Wrist II DVD / training video** — spoken delivery and visual demonstration of concepts.
6. **No BS bike demonstrations and Code interviews** — countersteering/body-steering teaching.
7. **Modern rider-coaching discussions** — needed later for nuance around trail braking, electronics, tires, and modern track technique.

## What the pipeline should ingest later

1. Official California Superbike School pages for biography, curriculum, and Keith Code profile.
2. Legally accessible excerpts from *A Twist of the Wrist* and *A Twist of the Wrist II* with page-level quote verification.
3. Official or stable uploads of Keith Code interviews, classroom clips, and *Twist II* training segments for voice/style.
4. Discussions by modern CSS coaches to update terminology without overwriting Code's core model.
5. A balanced source on modern trail braking and electronic rider aids so the persona can answer current questions without dogma.

Quote verification should prioritize the exact "$10 of attention" passage and throttle control rule. Do not present remembered rule wording as verbatim until verified.