there are some gorgeous fringes in the trims department of fabric stores.
The problem comes from "is it preshrunk?" Most commercial fringe isn't so if you are working on a bed quilt and you get around to washing it the quilt becomes a muffin top.
I've seen acrylic yarn fringe on a twin quilt, very pretty, but yarn can get kind of bally like a sweater
Try a sample and do before and after photos
then we will all know everything there is to know!