[phillygolf]

When reading 2-C-1#1 remember that the Impact interval has been extended to Low Point (Homer has this statement in the first paragraph). Does that clear things up?

Great catch Martee - I never even looked at the paragraph.

How you can trace either the impact line or the low point line since the ball could be located at low point, thus no difference in line.

Yes, but only in that instance, no?

The Impact Plane Line and the Low Point Plane line reside on the same plane as shown in 2-C-1#1. The Low Point line is further down the sweet spot plane (lower) thus it presents a 2nd line outside the impact line when represented on the ground.

Agreed - which is kinda my point.

I probably haven't explained this very well, but if you look at 2-C-1#1 and keep in mind the extended impact interval to Low Point, it should clear it up (I hope).

No sir - your explanation is much more thought out then mine...
Let me see if I cant get my thoughts better organized and more concise. While I agree, both impact and low point are located on the same plane, my contention is, from a players perspective, one cannot trace both and get the same result.

Give me a day or so and let me see if I can articulate this better.