Used to make double fold without overlapping the two pieces of fabric. It also helps to finely move the fabric to the needles using a channel in the foot. The attachment doesn’t allow losing hold of the needles when making a curve.
Original strip size | Final strip size |
mm | mm |
16 | 8 |
20 | 10 |
24 | 12 |
30 | 15 |
34 | 17 |
40 | 20 |
44 | 22 |