One of my church clients called with an issue. They had velcroed a rug down in their hallway for a few years and decided to pull it up. 4 Velcro areas about 4-6 " wide by 4ft in length. Left lots of glue that your feet would practically stick to when you walked across it. I ask if he cared how aggressive I was with it and he said do what you gotta do. So I tried stripper, gum gel, and clear PVC pipe cleaner to no avail Did crank the heat up and got most of the excessive glue to attach to the glide which I later was able to peel off. Most of the glue is gone but the stain is pretty much the same. Any thoughts? We have removed glue from duct tape from VBS sessions many times but this has been a beast.