How do I make my bobbin tension not get all tangly? I have an old Kenmore machine (a 14, I think?). I've tried EVERYTHING I can think of. Really. I've tried every single tension setting. I've tried all the different stitches with every tension setting.
Maybe I'm doing something really wrong. Maybe it needs to be cleaned and oiled. I haven't had it for very long; it came used from a garage sale, then sat in my step-aunt's kitty filled house. Maybe there's a whole lot of hair in my machine that I can't even see.
Help. Please Help.