I've made several "recycled" denim quilts for our charity quilting group. They are indeed heavy, so we don't bat them. My photos aren't uploading right now, so can't share. Several were very cute cause we inserted flannel on random squares for variety. I also made one with fairly thin strips, instead of squares, done randomly and raggy. We always make sure that there are a few random pockets on them. They are a great "beach" quilt, if they seem too heavy for the bed.
A precaution to you all- with the raggy ones, they shed a lot and you need to be sure to empty the dryer lint catcher every time you dry one- it could become a dangerous fire hazard very quickly the way the lint accumulates.