 As part of the deal, Bentz received a free boat with three years of maintenance, and Correct Craft assumed servicing responsibility for the 12 boats Bentz had already produced and sold.As the 1960s progressed, the Correct Craft Ski Nautique quickly became the preeminent tow boat for competition water skiing.Correct Craft maintained a virtual monopoly on the ski boat market until 1968 when Rob Shirley, a former teacher at Bentz's ski school, founded MasterCraft.