When I hand quilted I would tape my quilt back to the top of a table, add batting and top and baste that way. I have used spray basting for free motion quilting on a domestic machine. I used a couple of safety pins on the edges to make sure the "sandwich" would stay put. I have never hand quilted a quilt sandwich that was spray basted. I would make double sure and do a little trial before spraying a whole project. The needle might not slide as smoothly but some of the posts above are encouraging.