Apologies, but I am having trouble understanding what you mean.
Here is a snapshot of the slow motion video from above after one period of oscillation after first contact, and even with a high speed camera it looks like the tip is making secondary contact. How does a wood shaft cause
clearer fouls if we can't even see it with this expensive equipment, let alone from a distance at normal speed and lighting?
I think most would agree that this happens too quickly and it isn't perceivable enough to either see or to effect the shot.
An analogy could be when two balls are frozen together. Where do you draw the line? Would we use a scanning electron microscope to determine that the ball surfaces indeed aren't really touching?
Just curious what you mean.
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