Related Clues:

• Rowboat necessity
• One of a lifeboat pair
• Propeller, of sorts
• Canoe implement
• Blade that might help move a boat
• Blade in a boat
• Stick out of a rowboat?
• Boat turner
• Catamaran mover
• It's manned in a lifeboat
• Paddled tool
• Ancient propulsive tool
• Regatta tool
• Item fitted into a thole
• One on a boat