Never saw this particular page before, I don't think. But, they're
all basically the same. Make one, and all the mystery is explained. I
made a batch of them. Work good, and very inexpensive - like about free
if you use scrap plywood. I figure some of my "expensive" ones ran me
about 25 cents (U.S.) each.
Viet Nam, divorce, cancer. Been there, done that. Now, where the Hell
are my T-shirts?