[BerntR]

Wrong. it is cf acting on the clubface because cf pulls objects in line and on plane with their cog this what the club is doing seeking it's cog and in so doing it closes as it seeks it

The nature of a sequenced release as dictated by cf longitudinal acceleration the club passively switches ends rotates over

I wasn't talking to you. I don't think you know what CF is and does. Besides, opinions stated as facts without any substantial backup is a turnoff for me.

Show us the evidence that Hogan used horizontal hinge most of the time. Then we have something to talk about.