Clear elastic is often used when sewing knits when you need to keep your fabric from stretching. The thin elastic stabilizes the seam while still allowing it to stretch. Emily from Life Sew Savory shows how you can sew clear elastic into your seams using a serger, including a handy little tip that will make it easy to keep the elastic from slipping and stretching as you sew.
Click below for her tutorial:
Sewing Clear Elastic with Your Serger, by Life Sew Savory[photo from Life Sew Savory]