Brother Overlock Blind Stitch Foot.
For trimming edges, finishing and hemming in one operation.
1. While folding the fabric by hand, sew so that the needle just catches the folded edge.
2. Open up the fabric
Flatlock stitching for medium weight to heavyweight fabric:
1. Fold the fabric and insert it into the material guide on the front of the foot.
2. Adjust the material guide so that the needle moves down at the position 2.5 – 3.0mm inside the folded edge.
3. Pull the fabric open (flat)