Subsonic Gary and Scott: Is it or is it not the same?
I view P.I.G. as close to Ernest/Manuel as you can find. Words are stated different but my use of P.I.G. is club head oriented. I think aim point, target line, ball line, both arms-one piece takeaway. I do not worry or think about modern factors like swing plane, hips start downswing, right elbow, spine angle, keeping left arm straight, one side dominates the swing. See it, feel it, do it. Just my take others look at it differently. IMO you can't dissect motion into parts and still have motion: therefore it is impossible to take a swing apart and still have a swing. This is the tragedy of the modern golfer who go into slumps and never recover.