For seaming knits and couching thick cords, strings of beads and sequins, and for making and sewing in piping in a single operation. Boasting a maximum stitch width of 9mm, the #12C foot has a guide hole for sewing over narrow couching cords such as wool, yarn and leather strips.
- 12 Red Box: A
- 12 Red Box (1630): A2
- 12 White Box: B C D Ea2-4 Eb2-4 F
- 12C: C D Ea3+4 Eb3+4 F