How to Hem Knit & Stretch Fabrics By LexJanuary 29, 2013October 18, 2018Tutorials, Video Tutorials Does your hem get wonky and wobbly when you sew stretch fabrics? This tutorial will show you how to get a nice flat hem. Don’t forget to subscribe to my YouTube channel! There are lots more tutorials on the way. This tutorial was filmed using a Creative Labs Vado HD Digital Video Camera, a Canon Rebel (for still shots), and edited in Sony Vegas Movie Studio.