Related Clues:

• Baseball cap part
• Bag support
• Sun screen?
• Site for a seal, maybe
• Part of 59-Across
• It might come in handy for a standee
• Golfer's accessory
• Bookbag feature
• Rein, for one
• Golf course headwear
• Secure, with 'in'
• Baseball-cap feature
• Football helmet attachment
• Banjo accessory
• Leather fastener, perhaps