I think that is what my mother would call this. I recently bought a vintage singer and she came with vintage bobbins, of which, they came with crappy thread on them.
So I needed to take the thread off so I could put good thread on it. As I unwound the bobbin, there were 13 different colors of thread on this same bobbin. Seems as soon as I finally got one off, there was another one.
Was it a common practice to put thread on an already threaded bobbin?
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