That's the question one enthusiastic father set out to answer when he hooked up a motorbike to a rope and up to a tree in Burrillville, RI – a small town of 16,000 or so on the outskirts of Providence. His answer may not be the smartest or the most responsible, but it sure looks like fun. Let's just hope he doesn't let the kids play on it, because this strikes us as one of those things that's just bound to end with a trip to the emergency room.