Thinker's Cap

 is a piece of equipment in Torment: Tides of Numenera.

Description
The intersection points of this net of fine filigree is marked by small white gemstones. When placed over the head, the gemstones buzz and shimmer, firing information directly into the mind. This increases the user's intelligence, though the effect can be overwhelming at times.

Location

 * Crystalline Cavern: In a locker on the way to the Changing God's stash.