Physics always determine the realities, advantages and limitations, of a mechanism. YET, myths and perceptions often add up to quite accommodated, if not plainly unreal, explanations that make it difficult, to me impossible, to implement and execute a reliable golf-swing machine

Understanding and eventually Dismissing those mechanical contradictions was crucial to first aid my insecurities; solving them was sine qua non to assemble my CG-UI theory and praxis.
Now, It's your choice; no strings attached, take it or leave it, but, anyway, l wish you the best possible golf… the rest of your days.