Related Clues:

• Cap that may be partly plaid
• Frosh topper
• Skye cap
• Cap
• Flat hat
• ___-o'-shanter
• Topper
• Brimless hat
• Scot's topper
• Clansman's wear
• McDonald's lid?
• Tayside topper
• Hat with a pompon
• Brownie topper
• Propeller holder, perhaps