Mike, leakage and inductive and gap effects in woven braid has been in
the science literature for over 40 years. To keep this discussion
focused I have emailed one specific reference to Roy. Hopefully Roy has
the time and resources to do the research and make the results available
to us in terms we can understand.

Mike Speed wrote:

When a bundle of wires ducks under another in the direction of current flow, the current has to migrate to the outside again, snip


There's no question that it happens



Books, and to a lesser extent the web. Information about this is

snip

I have a great deal of respect for his experience, measurements, and opinions


Again, interesting, but what's been outlined so far is not scientific.
For something of this nature to be of any utility, it must be grounded
in science.