In this episode, THE THREE-HEADED MAN explores the concept of mentation, defined as the disciplined focus of attention to activate higher mental centers and move beyond mechanical thinking.

PRACTICAL WORK ON SELF contrasts the automatic associations of the ordinary mind—often distracted by primal desires like sex—with the intentional processing of ideas, using the analogy of a blacksmith skillfully shaping hot metal. Achieving this state requires a special form of will to maintain a singular line of thought, such as focusing unremittingly on a specific object like an ashtray or a peppermint leaf. This practice serves as a functional tool rather than an end goal, acting as a "transship" that can transport an individual between different states of consciousness.

Ultimately, THE THREE-HEADED MAN suggests that such mental rigor is necessary to reach deeper levels of conscience and self-awareness, potentially leading to transformative internal experiences described through metaphors like the planet purgatory.