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The Double Overlock Stitch can be used for attaching flat elastic, for overcasting and for seaming and overcasting in one operation. It is mainly for fabrics with a slight amount of stretch, or medium to heavy weight woven fabrics.
Seam with Seam Finish
The Double Overlock Stitch is a stretch stitch, but it can be used on stretch fabrics and non-stretch fabrics (wovens) as well. It sews a seam and a seam finish, all at the same time. There is a reinforcing stitch at the right side, further strengthening the stitch. Sew the stitch with the left side on the seam line of your project. Trim excess seam allowance when finished sewing.
Use this stitch to embellish your sewing projects with a single row, multiple rows, or even in combination with other decorative stitches. Experiment with various types of thread such as rayon thread, all-purpose thread, metallic thread, topstitching thread, or even 30wt and 12wt cotton. Use a needle that is appropriate for the type of thread you are using. It is also helpful to use a stabilizer to help support the stitches. Learn more about needles and stabilizer on the SINGER website.
Use the Double Overlock Stitch to add interesting surface dimension to your projects by stitching over thin yarns or cords.. The Open Toe Foot (additional accessory for some machine models) can be helpful because it provides a clear view of the sewing area. Use a tear-away stabilizer underneath as you sew to help prevent fabric from puckering.
Use the Double Overlock Stitch to create sportwear-style hems on stretch knit fabrics. The stitch is flexible and will stretch when the fabric stretches. Turn up the hem allowance and pin the hem in place. Stitch from the top side of the garment, catching the raw edge of the hem on the back side as you sew. Use a polyester or all-purpose thread. Use a Ball Point Needle when sewing stretch fabrics, to prevent skipped stitches. Learn more about needles on the SINGER website.