How is flannel made?

Flannel is a soft, comfy fabric used to make shirts, cozy winter bed sheets and all kinds of other stuff. But how is it made?  We asked fabric expert Susan Brown to help us find the answer. Got a question that’s got you woolgathering? Send it to us at BrainsOn.org/contact, and we’ll help you weave your way to the right answer!  See omnystudio.com/listener for privacy information.