Also known as: Vandyke chain stitch
This stitch is the incorporation of chain stitch in a zig zag manner. In other words, a zig zag chain stitch is done between two parallel lines instead of one. Ideal for any border embroidery, this is more of a decoration stitch.
I have used only one stitch line to illustrate this stitch. You may imagine a parallel stitch line over the one that I have marked. To do this stitch, you need to know how to do chain stitch.