Protecting your campsite privacy

If you want TWO empty sites on either side, leave one of these on the picnic table:

Something like this would work:

A pair of these on the picnic table would probably work although not as weather proof.:B
Dennis, this should be fun..y.

:DFunny! We'll be heading for Washington state in a month and our site is nice but we live in Nebraska with wide open spaces... but that's a great sign.