The back stitch is often used for outlining shapes or adding fine details.
Variations of the back stitch include: half back stitch; outline stitch; Pekinese stitch; prick stitch; split stitch; stem stitch; threaded back stitch. See also the backstitched chain stitch.
Also known as: point de sable; stitching.
Source: THOMAS, Mary (1934). Mary Thomas’s Dictionary of Embroidery Stitches, London: Hodder and Stoughton, p. 3, fig. 5.
GVE