Sometimes I find that if you don't have a tool to do the job you can do well by making your own. I was having trouble sanding the interior concave curve of the upper bout. With the aide of stick on sandpaper that you buy in big rolls, I made this little sander and find it works wonderfully,
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The secret here is the sandpaper that has adhesive on the back. you just wrap it around the piece of wood and you have a curved sander on one side and a flat sander on the other- I Love it. Really works well.
