Originally Posted by cctx.
What about "sewing through" fine sandpaper without the machine threaded. Will this damage the bobbin casing area?
I've used this technique before, not on a daily basis, but used it at least once a year.
That's another quick trick for an emergency back up that I use if I'm out of sewing machine needles for that day.
if that sand gets into the bobbin race it can cause it to freeze up...