Related Clues:

• Clippers' supporters
• Poles seen at a marina
• Ship posts
• Crow's nest holders
• Flagpoles
• Marine supports
• Poles on a sailboat
• Sailboats' spars
• Schooner's spars
• Poles on a ship
• Holders of some radio aerials and signal lamps
• Brig’s pair
• Pair from a deck, perhaps?
• Poles for sails
• Supports for crow's nests