No person shall operate a motorboat on any waters of this State for towing a person or persons on water skis, or an aquaplane, or similar device, unless there is in such motorboat a person, in addition to the operator, in a position to observe the progress of the person or persons being towed or such motorboat is equipped with a wide-angle rear-view mirror mounted in such a manner as to permit the operator of the motorboat to observe the progress of the person or persons being towed.
S.C. Code § 50-21-810