Uploaded May 2016 | Updated September 2026, 1 day ago
Take the guess and science out of setting the tension in your upper tension as well as the bobbin case for your Singer Featherweight 221 and 222K. (This technique works for all machines that have an actual bobbin case.)
Take the guess and science out of setting the tension in your upper tension as well as the bobbin case for your Singer Featherweight 221 and 222K. (This technique works for all machines that have an actual bobbin case.)










