Related Clues:

• Heads to sea
• Moves on momentum
• Erosion-prone areas
• Travels like a flying squirrel
• Mast attachments
• Wet edges
• Shorelines
• Propulsion system
• Spinnakers, e.g.
• They need wind
• Shore things
• Does some recreational boating
• Ship's canvas
• Rides without pedaling
• Participates in 5-Down