In article , Richard J Kinch wrote:
Goedjn writes:

They use two pieces of rebar ...

Do not use rebar; it is not the proper size for the sockets on the
winding cones.

And it's designed to bend.

The material is OK. The problem is the shape.

Ok.. Maybe it wasn't rebar.. It *was* something that looked like it and was ~12 inches
long.. I do know that it was straight and not bent obviously.. Sorry for the misdirection.