Uses: Straight and curved lines.
Bring needle up at 1 and insert in the same place bringing needle up at 2, looping thread under the needle as shown.
Insert needle in the same place as 2, inside the loop of the first stitch, looping thread beneath the needle as before, bring needle up at 3.
Repeat as required. All stitches should be the same length.
To fasten off, secure the last loop of the chain with a tiny stitch.