Where 1. Bobbin Winder 3. Thread take up lever 5. Tension disc 7. Thread guide 9. Slide plate 11. Stop motion screw 13. Stitch regulator 15. Bobbin case 17. Belt 18. Feed dog 19. Throat plate 20. I belong? 2. Bobbin 4. Spool pin 6. Shuttle 8. Presser foot 10. Needle bar 12. Balance wheel 14. Needle clamp 16. Presser bar lifter. ilag​