I discuss design elements that unfortunately make the 221/301 hook system prone to damage and poor performance, as well as how you can avoid damage by being aware of potential hazards and risky sewing behaviors!
My hope is always to enjoy using these machines for their intended purposes, at the same time avoiding damaging them or wearing them out.

How the 221 Featherweight (and 301) form stitches:
   • Troubleshooting Singer Featherweight ...  

Fullrotary hooks — these videos, at least at some point, will show you the stitch forming mechanism for each fullrotary system:

Singer 115:
   • Singer 115 Overview, History and Sewi...  

Singer 101, 201:
   • How a vintage Singer sewing machine m...  

Singer 319:
   • Sewing Machine Troubleshooting  Hook...  

Singer 400/500:
   • SINGER MODEL 404 RESTORE SERIES Pt. 2...  


Music credit: TeknoAXE: Bubble GFunk sans melody