The Spiral Rib Stitch comes in that group of rib stitches known as openwork rib variations. They create a ribbed effect but without the elasticity of a traditional rib. You may work them in almost any yarn and they give an interesting textured surface for all over designs.
Cast on a multiple or 5 stitches + 2
Row 1: P2,* sl1 pw, ytb, K2tog, psso,[yrn]twice, P2, repeat from * to end.
Row 2: *K2, [P1, P1 tbl] into yarn loop, P1, repeat from * to last 2 stitches, K2.
Row 3: P2, * K3, P2, repeat from * to end.
Row 4: *K2, P3, repeat from * to last 2 stitches, K2.
These 4 rows form the pattern.