Originally Posted by
cjsews
Mine has a slightly different sound as I am stitching when the bobbin is very low. I don't always pay that much attention and notice this long upper thread hanging around. That is a big clue for me to rewind.
This is me as well. If I'm doing something 'quick & dirty', the dreaded mending or such, I might notice the change in sound but otherwise, not so much. I've usually got the TV going and get in 'the zone' if I'm doing lots and only notice when I get to the end of whatever piece I'm working on.