1. Ask someone to hold the end of a string; tell them you are with the Dept. of Public Works. Go around the corner of a building and get someone else to hold the other end. Leave.

2. Back in the 1920s over at Yellowstone two of the seasonal workers jammed the steering wheel to a Model T into the ground just baaarely in sight of the crowd at Old Faithful. One stayed at the wheel, the other would yell "Okay, let 'er rip!" when OF was getting ready to blow. At this point the guy would turn the wheel madly, as if he were opening a valve.

3. I could go on, but I probably shouldn't give anyone ideas.