Originally Posted by BarbaraTX
My car "dings" when I'm down to 1/4 tank of gas. Why don't they make sewing machines that "ding" when your bobbin thread is down to a few yards of thread? (or do they?)
Because your sewing machine does not have a way of knowing when the the thread is almost to the end, it can't tell you.
If there was a way to put a laser in the works ,
so that it saw the shiny (non thread) surface of the bobbin stem, when it appeared, and beeped.
...that would solve the problem
Inventors hear this! Jeannie