On Tuesday, June 2, 2020 at 12:55:18 PM UTC-4, Jim Wilkins wrote:
I just tried (barehanded) with my 44-7/8" x 1/2" portaband blade...Took
maybe 1.25 seconds to flip it, and about the same to flip it back...While
the shorter blade might be a little more difficult, it seems far from
insurmountable.

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You beat me.

I made a 1/2" x 33" loop from a broken blade and inverted it in 3 seconds,
with gloves.

Neither a race nor a contest...besides, the effort required is probably exponentally more difficult as the length shortens...Just trying to figure out if the request was real or Memorex...