Pam: This would be an easy way to do it:
Hi Pam, here's a blog post about a wall-mounted napkin holder made out of a license plate... hope it helps! http://chippingwithcharm.blogspot.com/2014/10/repurposed-pew-rack-napkin-holdermore.html#_a5y_p=2682213
Clever idea! You can bend it up twice leaving flat area in the center and attach that to a strip of wood.