I do not have one nor do I want one. I just do not see any benefit. I generally wind two, or three, bobbins before I begin a project. I have also heard they do not work well with Viking machines and that is what I have. And, on my machine I do not have to unthread to wind a bobbin, anyway.
Last edited by Pam B; 12-29-2011 at 06:14 PM.