Originally Posted by QuiltinLee
You could also get another bobbin holder so that you could just "play" with one. That way you wouldn't have to worry about messing it up.
this is what i thought on my Janome until i called and they have to be special ordered and are almost $40! then the guy told me to bring in my machine and he'd show me how to 'meander' and decide if my machine needed any 'fixin'. he said he 'caters to quilters' and very rarely does that bobbin tension need adjusting.