I've convinced myself to buy a Flynn frame, but I have a couple of questions about it. The information on the web site says to be able to quilt a large quilt that you have to quilt as far as you can then change to water soluble thread and baste the rest of it,take one of the rails out and finish. My question is if the roll is too large to quilt why isn't too large to keep on the rails and baste? and if you do baste half of it, won't the quilting look different since the tension of the quilt is different? maybe even pucker some? I would appreciate any advice. I know there are some of you out there that use the Flynn and do lovely work.