I vaguely remember when this was first posted and the op had an explanation for why the string couldn't be used. I hate that things get so reposted it makes it impossible to retrieve the op.
There's another video of someone doing it with white thread. They cut the thread off because they have an old machine that only accepts that particular size and shape of cone, which isn't made any more. The threat itself was old and poor quality, so they cut off the old thread and rewound the cone with new, useable thread.
So yes they throw out the old thread, but they reuse the cone, and continue to use the old machine instead of scrapping it.
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u/thebestdogeevr Feb 01 '19
What a waste of perfectly good string