I want to emphasize that I have always read to use Elmer's SCHOOL glue rather than the regular Elmer's glue. The school glue is made differently (made with starch) and does wash out completely. I have a Bernina 440QE and this gluing technique has not caused any problems at all with my machine. (I wanted to clarify this since some of the posts have not spelled out both words (Elmer's School) but I am assuming that is what is meant. Please let me know if I am wrong!)