Any person who operates a vessel towing any person riding or attempting to ride upon one or more water skis, surfboard or similar device, or engaging or attempting to engage in barefoot skiing, on the waters of the City shall have present in such vessel a person or persons other than the operator, ten years of age or older, who shall at all times observe the progress of the person being towed and the operator of the towing vessel shall at all times observe the traffic pattern toward which such vessel is approaching.
(ORC 1547.15)