You'd think!
With this history I am scared to touch anything on Little Miss temperamental.....
But thank you for the suggestion. It makes sense.
QUOTE=Tartan;5834558]I sometimes have to adjust the tension in my bobbin case between quilting with my walking foot on my quilt sandwich and FMQ. I do have adjust my bobbin tension between regular piecing and quilting on a quilt sandwich. As mentioned though, if you know where the bobbin screw STARTED before you adjusted it, you can move it back if that is not the problem.[/QUOTE]