Zigzag Stitches

A zigzag stitch is variant geometry of the lockstitch. It is a back-and-forth stitch used where a straight stitch will not suffice, such as in reinforcing buttonholes, in stitching stretchable fabrics, and in temporarily joining two work pieces edge-to-edge.

The zigzag stitch can be used as a seam finish to help prevent fabric edges from unraveling. Select a medium stitch length and width - using a width that is too wide can cause the fabric edge to tunnel under the presser foot.

The nylon thread proved stronger. Similarly, straight seams held up better than zigzagged ones. A zigzag seam concentrates force at the points of the zigs and zags, while a straight seam spreads force across a long line, Holly says. It turned out that a strong seam can be very tough to tear.

Offers excellent flexibility, which is ideal for stretchy fabrics. Helps prevent fraying in raw fabric edges due to its reinforced structure. Creates secure seams for items subject to regular stretching and movement.