Originally Posted by Boxer mom
I use the back of a plastic table cloth that has the felt stuff on it. You can also use head liner material, it is the stuff they use for the inside roof of your cars. (now don't be running out and tearing off the one in your car)
This is what I have, bought it at JoAnn's. Eleanor Burns' son made her one with headliner and a wooden frame around it. I just tacked mine to the wall.