The zigzag stitch is a sewing technique that creates a zigzag pattern, often used in both hand and machine sewing. This stitch is versatile and can be adjusted in width and length, making it suitable for various fabrics and projects. It is commonly employed to finish raw edges, preventing fraying, and is also used for stretch fabrics, allowing them to maintain their elasticity. In addition to its practical uses, the zigzag stitch can also serve decorative purposes. By varying the stitch settings, sewists can create unique designs on garments or crafts. This stitch is a fundamental skill in sewing, often taught to beginners for its simplicity and effectiveness.