You can learn how to crochet a kingston cap! First step is to wrap the yarn over the hook and then slip the hook through the stitch. Next, wrap it over and pull through. After that you want to wrap the yarn over pull through to make two loops. Leave those loops on the hook. Then you want to wrap the yarn over the hook and insert it through the stitch. For more detail and visual demonstration of all of this, watch this how to video.