1. Flat Left Wrist
2. Clubhead Lag Pressure Point
3. Straight Plane Line
but NO BENT RIGHT WRIST.
Thanks for posting this, Bucket. This is the ad absurdum photo -- http://en.wikipedia.org/wiki/Reductio_ad_absurdum -- so often used to refute the Ideal Impact Alignments -- Flat Left / Bent Right -- of the The Golfing Machine. Yet, only the selfsame work can explain it!