Originally Posted by Craftygirl
I'm puzzled about this. Unless you have an extral reel of thread in the same colour, wouldn't you have to unthread your sewing machine anyway to get the reel off to put on the sidewinder. Or am I missing the point completely.
Of course you are right!
We get plastic bobbins by 8 or more in a pack.
The idea is to fill up enough bobbins to sew the whole project first, because they are interchangable.
I think people with embroidery machines like them especially because you can pop in different colors.