Brioche Ridges
Cast on an odd number of stitches.
Row 1: Knit.
Row 2: Purl.
Row 3: Knit 1, *yarn over, knit 1; repeat from * to end.
Row 4: Purl 1, *slip 1, yarn over, purl 1, repeat from * to end.
Row 5: *Slip 1, knit the two yarn overs together; repeat from * to last stitch, slip 1.
Row 6: *Slip 1, purl 1; repeat from * to last stitch, slip 1.
Row 7: Knit 2 together to last stitch, knit 1.
Row 8-12: Repeat rows 2-6.
Row 13: Knit 1, *ssk, knit 1; repeat from * to end.
Repeat rows 2-13 for desired length.