daytona, all of the above are great suggestions. If you don't have a temp gauge. I've found that when you touch the covering with the iron, if the temp is close, covering will turn just a little darker, if there is a big color change, iron is too hot. Same with the gun, big color change, you are about to burn a hole in the covering. Naturally this doesn't work with clear. But once you have found that sweet spot with your iron, you will remember it. Monokote always came with good photo instructions, hope they still do. You will use a lot of single edge razor blades, cause monokote dulls them fast, but a sharp cutter is essential to a good job, enjoy.