Learn how to make the half-double crochet stitch in this tutorial about the basics of crocheting. You will need: crochet hook, yarn. Procedure: Make two chains. Turn your work, then go back across. Chain 2 is counted as a stitch so skip the first stitch, yarn over and insert your hook the next stitch. Draw up a loop, yarn over and draw through all three loops on the hook. Repeat the steps and do that all the way across. Follow these steps and you will be another step closer to your goal of mastering the basics of crocheting.