Where is the nubbin and do all machines have one?
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I never paid attention to which way the thread rolls off the spool, never seems to give me a problem except the older spools getting caught in the little slit to hold the thread on the spool. I also am wondering what a nubbin is , don't think I have one on my machine I checked the book.
I don't think any of my machines have nubbins. Lol
But actually, even the spools with the larger bottom can make a difference if you turn them upside down. I was having an issue once and thought there was no way it could be the thread because it was on with the large side to the bottom (right when on its side). I flipped it and had no more problems. Not sure if it somehow got wound backwards or what, but it solved whatever the issue was.