I just did a seldom-used stitch on my Singer 401a and now all of a sudden the right (inner) selector knob is jammed. I can't get back to straight or zigzag & I'm stumped. I can see a metal part through the selector track where the selector seems to jam, but no amount of jostling seems to move it out of the way, & to be honest, I'm not sure that's where the jam is... just looks that way.
Any thoughts? I'm ready to put the waistband on a new skirt... so near & yet so far!
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