Related Clues:

• Rein, e.g.
• Helmet attachment, perhaps
• Purse piece
• Tulip part
• Apple part
• Gown part
• Part of a flower or wineglass
• Seat belt, essentially
• Wineglass feature
• Supporting structure
• Old watch part
• Handbag part
• Caudex, in botany
• Stop the flow of, as a liquid
• Commuter steadier