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Renovating the wheel
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A barbed nail that will drive through/around the head of a nail to be removed and provide the necessary shaft for clean extraction. If the Sherwood nail trifurcates around the nail, internal barbs would grip and with its own removal, pull out the initial nail.
Possibly Sherwood nails could be manufactured
by pressure welding the three barbed shaft segments together.
I can mentally visualize this but are unsure if metallurgy and/or manufacturing are up to this yet.
||// pressure welding the three barbed shaft segments
||Pressure welds break under sharp impact. Recommend
resistance welding. You'll also need to construct it out of
extremely hard metal that isn't too brittle, otherwise the
point will crumble when you try to drive it through the
head of the nail (which is its strongest point, btw). This is
a decent idea, but might be a tad expensive for a single-
||//I can mentally visualize this but are unsure// I
think that goes for all of me.
||Darn, I was hoping this would be a nail which, like
Robbing Hood's legendary arrows, would find its way
directly to the target without deviating into nearby
drywall, electrical leads, plumbing, or knots. This is
similar to the EZ-out screw removal system, but with
barbed titanium shafts instead of twist-patterned