They do have a water soluable stabilizer. I know that at JoAnn's its not with the quilting stuff. Its in a bag and is is called SOLVY made by Sulky. I have some, but haven't worked with it yet. So can't give a testimonial on it!!! :D :oops:
As far as keeping my ruler in place. In the quilting section I've picked up these little rounds that stick to the bottom of the ruler. Some are clear plastic and some have like a sandpaper like feel. Works pretty good!!