SINGER 9970 - Manual (Page 47)

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Invisible Zipper Foot : This is an optional accessory.
This foot provides a hidden closing on skirts, dresses and other
garments.
1. Attach the Invisible Zipper Foot. Select Straight Stitch. Verify that the
needle will line up with the opening of the foot before starting to sew.
2. Before closing the seam on your project, use a fabric marker to mark
the desired bottom end of the zipper on both sides of the zipper
opening.
3. Fold in and press the seam allowances of both opening edges and
open out the pressed edges.
4. With right sides together, place the first half of the opened zipper
along the first edge of the opening, ensuring that the teeth of the
zipper end at the creased edge.
5. Baste in place.
6. Place the fabric under the presser foot, so that the teeth of the zipper
are lined up with the groove of the zipper foot. Topstitch the zipper in
place, ensuring that the needle penetrates the tape of the zipper
close to the teeth. Continue sewing until the presser foot reaches the
zipperÅfs slider, backstitching at the end of the seam.
7. On the opposite side, close the zipper. With right sides together,
make sure the two sides of the zipper are properly aligned. Pin in
place, open the zipper and baste in place.
8. Place the fabric under the presser foot, so that the teeth of the zipper are again lined up with the
groove of the zipper foot. Topstitch the zipper in place, ensuring that the needle penetrates the tape
of the zipper as close to the teeth as possible.
9. Continue sewing the second seam until the presser foot reaches the zipper’s slider, backstitching at
the end.
10. Finally, stitch the seam below the zipper closed.
Non-Stick Foot : This is an optional accessory.
This foot is used when sewing fabrics such as
leather or vinyl.
1. Snap on the Non-Stick Foot. Select desired
stitch. Verify that the needle will line up with the
opening of the foot before starting to sew.
2. Sew slowly and guide the layers.
Tip:
Try using paper clips to hold fabric layers together.
Using pins will leave holes in leather and vinyl.