I'd love to take credit for this idea but it isn't mine. It's Soulemama's. Check out this post which peeked my interest and then click here for the instructions.
I know I'm making you work awfully hard to look at something that I haven't really explained but I don't want to ruin any surpises. If you have kids (or even if you don't), minimal sewing skills and some fabric scraps, this is the answer to your father's day gift quandry.