Overcast represents a needlework technique which involves creating small up and down stitches with the purpose of firmly connect two material pieces together. This approach adds strength and avoids the material from fraying. The join together may be used for a range of sewing projects, like sewing the hem, stitching patches, or even creating coverlets. It provides a clean and skilled look for the completed product.
5 Most Useful Basic Hand Sewing Stitches Stitch Clinic