Knitting Pattern for 4 Row Classic Cowl -- Easy cowl with a 4 row repeat of a slip stitch pattern. Designed by Purl Soho. Knitting Pattern for 4 Row Classic Cowl -- Easy cowl with a 4 row repeat of a slip stitch pattern. Designed by Purl Soho. Knitting Stitches, Knitting Patterns Free, Free Knitting, Free Pattern, Knit Cowl Patterns, Slip Stitch Knitting, Infinity Scarf Knitting Pattern, Stitch Patterns, Purl Bee