This is why I carry a 12oz bottle of my mace in my center console. Rest stops are great for quick 'on the road' jackoff sessions but they're almost always laden with dirty old men looking to score free peep shows. If they want to see me make love to myself, they gotta pay... otherwise it's mace to the face.
The amazing thing? Multiple people thought these were good ideas and put a whole lot of effort into them. I.E. the guy who had to cut a dick hole in a giant wheaties box or the man controlling the giant octopus dildo tentacles. Scenes: 1, 2, 3, 4, 5, 6