Blow up the crag, or blow up the roof? And if it has a roof, then it should be heated, and include cheerleaders and a DJ on Wednesdays, Fridays, and Saturday nights.
JayB, and what about manadatory seatbelt laws? But these aren't laws that prohibit you from driving or riding a motorcycle....just doing so without belting or helmeting up. In climbing, the law would require you to only bolt on rappel and use a grigri to belay.