Bring the thread through on the lower line on the left side, insert the needle a little to the right on the same line and take a small stitch to the left, emerging at center of the stitch being made.
Next, insert the needle on the upper line a little to the right and take a small stitch to the left (A).
Insert the needle again on the same line a little to the right and take a small stitch to the left, emerging at center (B).
Work in this way alternatelu on the upper and lower lines.
