HANDICRAFTS missy: Not knitting . but ridges HOOKS Tutorial is in another language but translates roughly to an easy ribbed crochet scarf - crochet only in front loop to create ribs and crochet lengthwise.
Mermaid Lap Blanket made in two parts: body and tail and then joined. Made with crocodile stitches for the appearance of scales and the tail is ribbed. Adult, teen and child sizes. Cocoons around feet and ankles and then opens as blanket.