Tin Foil Hat
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Introduced in version 1.2, a Tin Foil Hat will cause a Blockhead to perform actions without player intervention.
When a Blockhead begins to act, blue/light blue particles will emit between the action and the Blockhead and the acted upon block (maybe creatures too?) will have an image of the Tin Foil Hat beside it.
Made at a craft bench from three pieces of tin foil.