Knitted slippers are a good way to use leftover wool and yard. They are functional and can be very fancy. Some are knitted on double ended needles or round needles. You need to get the principles of knitting slippers right first. Once you understand how they are made you can move on to more complicated patterns. It is important to take it one step at a time. The video shows you how to make the slippers. It goes slowly and is explained well. There is also a nice pattern here for simple slippers which you can try if you haven't made them before. You can always decorate them with crochet edges, cuffs or flowers.