[O.B.Left]

Don't know why you say pendulum swivel drill. Impact is not the same as address with lag and drag in both directions.

I know youre big on what you term the right forearm angle of approach. Is this the same concept as the visual equivalent angle of approach? Or literally the right forearms path as seen to the golfer? Or ?

Or maybe I gotta buy the video. Good luck with that d. Very ambitious of you .