How to Practice Golf: Downswing Plane Drill is a short golf and tips video on how to practice the golf downswing plane for average to advanced golfers. Hosted by leading Australian golf teacher David Milne from the golf college www.protourgolfcollege.com this golf lesson video will show you how to practice golf to lower your golf scores by developing a consistent practice method that leads to lower golf scores through an improved golf downswing plane.