I'm new to knitting and I'm trying to understand this technique. Doesn't any one know where I can find a good video or step by step tutorial to learn this patter?
You want to learn how to make buttonholes? There is a video here in KH - http://www.knittinghelp.com/apps/flash/video_player/play/8
And also one here - http://www.knittingdaily.com/blogs/daily/archive/2010/05/31/a-better-buttonhole.aspx
It calls for k4: bring yarn to front, slip 1 stitch, bring yarn back after slipping stitch and drop yarn. Slip 1 stitch: cast 1 Stitch off