|Right side of the pattern|
Cast on a multiple of 7+1 stitches. Add 2 more selvage stitches if you want to make a nice-looking edge.
|Wrong side of the pattern|
Row 2 (wrong side): purl 1 stitch, *purl 3 stitches, knit 1 stitch, purl 3 stitches*, repeat from * to * as necessary.
You can also work according to the chart available at www.knitca.com/lace9 . Pattern repeat is marked by red frame.