DG: Your call to action has not gone unnoticed. I'll get around to it, but right now, my TGM brain is worn out trying to give my opinion that there is not some wide chasm between the thoughts of Tomasello, Blake, and Evershed on the hand controlled pivot.
It is not about Tomasello, Blake, or Evershed. It is about Homer Kelley and The Golfing Machine. Of the three, Lynn Blake and The Golfing Machine is not only as close to Homer Kelley but is Homer Kelley's The Golfing Machine.