Originally Posted by
Cari-in-Oly
It's not really about how the machine works, it's about how the thread is wound on the spool. See my previous post.
Cari
That's my understanding of it. On my Bernina, I normally use the upright pin, but when I'm using some specialty threads, like Sliver or metallics, I've found that they work better when I use the horizontal pin.