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Happened to reply to Brent before you.
As y'know, we treasure your golf-instructor camera angle in *every* thread like this. I don't think there is a physical sport that quite compares to golf, in the sheer virtuosity and knowledge of biomechanics, and the direct feedback that y'all get so immediately and directly. ANYbody who can play scratch golf, has an avid audience in Dr. D. But your stuff is always particularly well-targeted across to baseball contexts.
Long before there was CrossFit, there was CrossSSI ...