Overcast is a sewing technique that involves creating small zigzag stitches to firmly fasten two cloth pieces together. This method provides durability and stops the fabric from fraying. The overcast is used for a variety of stitching projects, including hemming, sewing appliques, or even making coverlets. It gives a tidy and professional look for the final item.
5 Most Useful Basic Hand Sewing Stitches Stitch Clinic