 His stunts included multiple-chute jumps (releasing himself from a parachute, falling, then opening another 'chute just before hitting the ground), wing-walking, and leaps from a moving automobile to an airplane.Many of Smitty's jumps were done with borrowed equipment, usually without a reserve chute.Discovering that payment was higher, the lower he opened his 'chute, he earned the nickname "tree-top Smitty."