Be careful making assumptions like that. My head has been many places, but not where you suggest. One would think your secret was indeed "mental" if you are able to decipher from my response (three simple words) and make a correlation that leads you to Pivot control Hands. That is quite a parlor trick.
However, you are wrong. As a fellow A.I., PGA Member and one that uses Rover Golf Products in his lesson program, I know the value of Educated Hands and so do my students. So again, since you brought it up without an answer: mental or physical?
I hope your insights provide better information than Dan Shauger. His book on Mike Austin was a dissapointment.
On second thought, is it a new training aid like "The Flamer" that Austin use to promote?
When I replied to your post it was to the fingers in you know what reference.
That is why I came back with my reference.
It was a joke and I did not mean to offend you.
It is funny you mention Dan Shauger as I have asked him to post video lessons he had with Mike. I have yet to see one and he says he knows Mike’s secret which I think he calls counter rotation and spin the meatball.
What I learned can be found in TGM book as well.
I explain it and show it differently and in a way the golf can understand and do.
I can assure you the Hammer Swing book will not be like Kill the Ball book from Dan.
The new trainer is not like the Flammer but I still have one of the original Flammers Mike gave me.
This new swing trainer is the Ultimate for teaching TGM. It will be ready to go in about a week.