Roman Rib Stitch (even no. of sts)
Row 1 (RS): Purl.
Row 2 (WS): Knit.
Rows 3 and 4: * K 1, p 1; rep from *
Row 5: Purl.
Row 6: Knit.
Rows 7 and 8: * P 1, k 1; rep from *
Repeat Rows 1 - 8.
About Roman Rib Stitch: This simple texture looks great on both sides of the fabric, and works over any even number of stitches. It curls only minimally, and looks interesting and clean at many different gauges.