Related Clues:

• Outer coating
• Concern of dermatology
• Shallot covering
• A nutcase?
• Hard head?
• It's all around you
• Pirate flag depiction
• Covering? Having 7 I'm on guard
• Skeleton of the head
• "Hamlet" prop
• Tattoo artist's "canvas"
• Body suit?
• Brain holder
• Scrape, as one's knee
• 'Hamlet' prop