How to work a rib with small waves along the cast on edge

In this DROPS video we show how we work a rib with small waves along the caston edge. We have already worked 4 rows with rib (1K and 1P), and with 3K in the beginning and end in each row (both from RS and WS). Then we work as follows: Knit 1, purl 1, knit 1, purl 1, take the right needle from the front of work and under the cast on edge, use right needle to lift the outermost stitch from left needle to the right needle, then take the right needle back around under the cast on edge (only the outermost stitch on the right needle is wrapped around the cast on edge), place this stitch back on left needle and knit the stitch (make sure the stitch is not twisted) , work from the whole row. The neck now has small waves along the caston edge. Turn, and work rib to finish measurement. We use the yarn DROPS Snow in the video. This video has NO SOUND you must read a pattern with this technique to be able to follow this video properly. Youll find a pattern by clicking here: