Has anyone used the iron on batting ? I could see using it for the simple fact that at least one side of your quilt would be straight but I wonder what it does to the quilting machine and needles - I would think it would gum up - Has anyone used it before - what are your thoughts?? Thanks Cheryl :D p.s. I am partial to the warm and natural batting of course I have always had my quilts quilted for me - not that I have done very many lol