Related Clues:

• Canal boats
• Have they the guts to do the drawing?
• Harbor towers
• Pulls in a jerking manner
• Harbor haulers
• Yanks during the war
• Towers at sea
• Goes to war in a sporting way
• Starts to tow unusually gigantic ship
• Harbor guiders
• Harbor helpers
• They bring larger vessels in and out of harbours
• Yanks (on)
• Big jerks?
• They have a strong pull in the port trade