I camp and hike a lot
So my car is frequently in a remote trailhead location. I don't have any stickers on my car, but have considered putting small 1" diameter stickers of a gun manufacturer in the windows that are typically broken during a vehicle break in.
Should I come back to the parking lot to some suspicious looking ne'erdowells eyeing peoples autos. I'd reveal my gun on the hood or roof of my car in a conspicuous yet nonchalant fashion, then take out my camera and capture some license plate numbers and pictures of people. I'd be shedding gear, so the gun, backpack and hiking boots would be coming off anyway, I just might make a point that it be seen to illustrate to a would be thief that sheep are not the only people who hike.
jeepmor