A cast on for continuity... Using a provisional cast on in your work allows you to come back to "live" stitches at a future point. In this case we're using the method so we can graft the ends of our cowls together to create an infinity tube, but this skill has plenty of other applications. There are also many different ways of skinning this particular cat, but we're going to focus on the crochet method. Let's take a look at how it's done.