[Max Impact]

You are confusing the feels with the reals so to speak.

horizontal hinge action 'feels' like a full roll of the clubface, and yes, it is a 'closing only' motion - relative to the left shoulder hinge, just like a door

angled hinge action 'feels' like a no roll, or as you put it 'square', but the clubface is actually closing AND laying back

vertical hinge 'feels' like a reverse roll, or as you put it 'opening', but the clubface is actually ONLY laying back


the important point to keep in mind - the hinge is in the left shoulder

Setting aside the "feels", I'm just trying to understand the definitions. I believe the confusion is that I'm using the terms "square" and "opening" in relation to the inclined plane. But it seems that the alignment of the clubface for angled and vertical hinging is termed relative to the target line or baseline. Yes?
So angled hinging sees the clubface close to the plane line, but stay sqaure to the inclined plane, Yes?

And shouldn't "closing only" demonstrate with no swing of the shaft? As soon as the clubhead passes low point, it IS "laying back", no?