Lace Ribs I
A very simple but elegant lace rib stitch. See also Lace Ribs II and Lace Ribs III.
Instructions
You need a stitch number multiple of 6 + 2 edge stitches. Repeat the pattern between the arrows as many times as you like.
Work right and wrong side rows as shown in the chart. Right side rows (1, 3, etc.) are worked from right to left. Wrong side rows (2, 4, etc.) are worked from left to right.

Symbol Key
edge stitch
knit 1
purl 1
1 yarn over
slip 1 knitwise, knit 1, pass slipped stitch over
knit 2 together
purl 1 through the back loop
Traditional Instructions
Row 1: edge st, * k2tog, k1, 2yo, k1, sl1kw, k1, psso; repeat from * to last st, edge st
Row 2: edge st, * p3, p1bl, p2; repeat from * to last st, edge st
Repeat rows 1 through 2.