404 Ruler Grip Spray
One day I was cutting fabrics with a template but it kept slipping and I was getting irregular cuts, no matter what I did to counteract it. I tried a clear vinyl that was made to keep rulers from slipping. I tried sticky dots. Only parts of the fabric stayed in place. I tried hot glue but couldn’t get it even enough. I tried sandpaper circles. Those worked like the sticky dots. CALGON!! Someone suggested 404 spray.
It was definitely worth a try!
Here is what the makers say about it: