Defending champion Graeme McDowell, using a hickory-shafted golf club, hits the ceremonial first tee shot from the 18th green at Harbour Town Golf Links in Sea Pines on Hilton Head Island, S.C. into Calibogue Sound on Monday, April 14, 2014, to officially start the 46th Annual RBC Heritage Presented by Boeing. (AP Photo/The Island Packet, Theophil Syslo)