Sew a T-shirt with elastic thread. It keeps the elastic in the fabric and provides your thread from breaking when stretching the seams.
Teenage proof T-shirt dress: tutorial » BERNINA Blog
Sewing Tips: How to do Shirring / Smocking With Elastic Thread (Machine Needed)
Sew along for the Sue Shirt (free pattern in August) » BERNINA Blog
Coffee Inspired Embroidered Tshirt » BERNINA Blog
How to add shirring details to the Floreat dress - Megan Nielsen Patterns Blog
An embroidered personalized tee » BERNINA Blog
How to add shirring details to the Floreat dress - Megan Nielsen Patterns Blog
Re design: basic t-shirt turns statement piece » BERNINA Blog
An embroidered personalized tee » BERNINA Blog
Tips on Shirring Technique by Alexis using Mind The Maker Mini Leo Vis – Lamazi Fabrics
What Can you do with an Overlocker (serger)? – Loving Stitches Quilt Shop
Sewing instructions for the Birthe T-shirt. » BERNINA Blog
Sew Along for the Vio Shirt (free pattern in March) » BERNINA Blog