Toyshelf Knitting Pattern - Dog, Frog, Cow and Elephant. YARN - double knitting (DK) yarn. (USA - light worsted, Australia - 8 ply). BASIC KNITTING SKILLS REQUIRED - Cast on, cast off (bind off), knit, purl, k2tog (knit 2 stitches together), p2tog (purl 2 stitches together), kfb (knit front and back of stitch to increase).