Concept — Red Head / Blue Head

• Canonical name: Red Head / Blue Head
• Aliases: K.B.H. (Keep a Blue Head), the two-state cranium
• Type: pressure mental model
• Primary chapter: 9 (Pressure)

Role in the book

The book's most-cited mental framework. Developed with mental-skills coach Gilbert Enoka and forensic psychiatrist Ceri Evans. Under pressure, you go either Red (panicked, narrow, reactive) or Blue (calm, wide, on-task). Players train the switch using physical triggers, mental "maps," and language cues.

Energy / personality

Clinical. Composed. Trainable. Diagnostic.

Visual signature

A single profile of a head, cranium split into two zones — one turbulent dark, one calm cool — rendered as editorial illustration.

Source references

• Kerr, J. Legacy, ch. 9 — "Keep a Blue Head"
• SuperSummary, Shortform, Medium

Confidence

High. The single most-quoted concept in the book.