Master the Half Double Crochet Stitch (HDC), a versatile stitch perfect for beginners and experienced crocheters alike! It is between the height of single crochet and double crochet, and is made using aspects of both. Watch our easy-to-follow video, explore project ideas, and discover the beautiful texture this stitch creates. Crochet your way to cozy blankets, stylish scarves, and more! Step 1 Yarn over and insert the hook into the work (third chain from hook on the starting chain). Step 2 * Yarn over and draw through pulling up a loop. Step 3 Yarn over again and pull yarn through all three loops on the hook. Step 4 One half-double crochet made. Yarn over, insert hook into next stitch; repeat from * in step 2.