The back stitch is a hand-sewing technique used to create strong seams. It involves stitching backward, which means the needle goes through the fabric and then back to the previous stitch, forming a continuous line. This method is often used in embroidery and garment construction for its durability. To perform a back stitch, start by making a small forward stitch. Then, insert the needle into the end of that stitch and pull it back to the starting point of the previous stitch. This creates a solid line of stitching, making it ideal for areas that require extra strength, such as hems or seams in garments.