Related Clues:

• Vocational identifiers
• Ring-tossed items?
• Derbies and Stetsons
• Stetson products
• New Year's Eve party attire
• See 13 Across
• Bowlers perhaps taken off to acclaim
• Top gear
• Dislikes losing energy in top gear
• Fez and fedora
• Things going to your head?
• More than one bowler maybe in that side
• Metaphor for roles
• Bonnets
• First of haberdasher's agents to stock headgear