A zigzag stitch is one of the most common stitches, along with the straight stitch, and it has many uses. It’s perfect for sewing stretch fabrics because it has more give and stretches along with the fabric. It’s generally stronger than a straight stitch so it could be used if you want something to be extra sturdy. If you don’t have a serger, you can use it on raw edges to help prevent the fabric from fraying. It’s also great for sewing on appliques. You sew the zigzag stitch the same as you would a straight stitch. Back stitch at the beginning and end of the seam. The difference with the zigzag stitch is the needle position. It moves back and forth according to the width you set it at. With the zigzag stitch you can change both the stitch length and the width, so the possibilities are almost endless. This is a standard zigzag stitch. Here it is with the width increased. Here it’s decreased. This one has a longer length. Here the stitch length is really short, this is also known as a satin stitch. And that’s the basics of sewing with a zigzag stitch.