You know I don't understand why that's such a big deal to some folks. Now if they aren't in a regular campground spot where people will be parked day after day what's the big deal about a little pee? I never in my life heard anyone say anything about a man stepping into the woods but a funnel in a van and a woman? It's ok for hikers, tent campers, etc but heaven help us if a person in any kind of car, van or RV does it. I find tossing trash or a cigarette butt down a gazillion times worse. I can't believe people will drive up into my driveway and yard and just throw down their trash butts with me standing there watching. Who do they think will have to pick it up? They only do it once. Anyway, I don't care if someone uses my trees as long as it's not right on a walkway. I don't try to restrict the multitude of raccoons, possums, birds and all the other animals from peeing on my land... Rant over, whew.... Sorry