Understanding Horsehair in Wedding Dresses Horsehair Braid Little Lizard King 4 inch Wide Crinoline Webbing Horse Hair Trim Braid for Sewing Polyester Lace USA, Black Sewing With Horsehair Braid! Sparkle Let's talk about horsehair!! If you haven't heard of the stuff before, it's not what it sounds like it's a soft, plastic crinoline trim that you sew into the Lets talk about horsehair braid hems! , On the left, is how the dress came from the designer. The nylon horsehair braid is sewn into the hem to add body and structure to the edge of the skirt., On