I have been using it for years and very rarely pin anything. The secret is to lay a tiny bead of glue within the seam allowance, then place the other fabric on top and 'press' with your iron. it sets it instantly and if you do not like the alignment, you simply pull the two pieces apart and redo. much easier then ripping out stitches. i am also a heavy starch user and to me, elmer's school glue is just another easy to use starch. try it! you will learn to love it almost instantly. Happy sewing!