my grandma was in Ireland and picked up her family tartan while she was there. I was wanting to use it as the backing of a wall quilt that I am making for her. Only it feels kinda like a wool. I have mostly cotton fabric on the front. I don't know how they will stitch together. Any one know how it would work out? Or if you are Irish do you know much about tartan fabrics and if they are good to use as a backing? any help would be great.