Related Clues:

• Sound of blade in head
• ... and of brain
• Bony frame of head ...
• Part of skeleton
• Brainbox
• Head as a skeleton
• A nutcase?
• Part of the skull
• Hard head?
• Pirate flag depiction
• Skeleton of the head
• "Hamlet" prop
• Brain holder
• 'Hamlet' prop
• __ and crossbones