The fabric with this stitch is quite firm, much firmer than stockinette. It still stretches width-wise, but not so much in length.

Cast on a multiple of 8 sts + 2 and 12-row repeat.
Row 1: K1, * sl 4 wyif, k4; rep from * to last st, k1.
Row 2: P4, * sl 4 wyib, p4; rep from * to last 6 sts, sl 4 wyib, p2.
Row 3: K3, * sl4 wyif, k4; rep from * to last 7 sts, sl 4 wyif, k3.
Row 4: P2, * sl 4 wyib, p4; rep from * to end.
Row 5: K5, * sl 4 wyif, k4; rep from * to last 5 sts, sl 4 wyif, k1.
Row 6: P1, sl 3 wyib, p4, * sl 4 wyib, p4; rep from * to last 2 sts, sl 1 wyib, p1.
Row 7: K2, * sl 4 wyif, k4; rep from * to end.
Row 8: P5, * sl 4 wyib, p4; rep from * to last 5 sts, sl 4 wyib, p1.
Row 9: K1, sl 3 wyif, k4, * sl 4 wyif, k4; rep from * to last 2 sts, sl 1 wyif, k1.
Row 10: P1, sl 2 wyib, p4, * sl 4 wyib, p4; rep from * to last 3 sts, sl 2 wyib, k1.
Row 11: K1, sl 1 wyif, k4, * sl 4 wyif, k4; rep from * to last 4 sts, sl 3 wyif, k1.
Row 12: P1, * sl 4 wyib, p4; repeat from * to last st, p1.

Knitting abbreviations:
Knit: K | Purl: P | Slip stitch as if to purl: Sl.
With yarn in back: Wyib | With yarn in front: Wyif.