It’s obvious why Harley is a low handicap player: he has an excellent swing. In this lesson my suggestions focus on posture and transition, where I see Harley raising up from P3 to P4 and then dropping his hands and right arm behind him from P4 to P5. I trace this issue back to Harley’s initial posture at address, where being a bit heavy in the heels and not really out over the ball leads to the right side of his lower body not deepening in the backswing, and as his pelvic motion works into his left hip heading to the top he lifts his arms and comes off his tush line. The usual pattern follows where you can see the butt end of the grip work backwards behind his right side while his hips continue to drive out toward the ball.