Stem stitch has many other names like crewel stitch, stalk stitch and
South Kensington stitch. It is an outline stitch and is commonly used in
stems. It is worked from left to right taking small regular stitches
along the line of the design. The thread is kept to the right of the
needle after picking up a small piece of material. The needle always
emerges from the left side of the previous stitch. It is worked in a
forward and backward motion. Each stitch move a step back along the
previous stitch.