While slip-and-fall, or slip-and-crash, accidents immediately come to mind as common winter hazards, falling ice and snow from roofs can also cause serious injury to the unsuspecting traveler. Serious head, neck and back injuries, including severe concussions, can result from a snowpack sliding off a steep roof and onto a passerby. Along with the possibility of a concussion and neck injuries, if the passerby is knocked off his or her feet there might also be the typical injuries of a slip-and-fall accident. In general, the responsibility for keeping roofs reasonably clear, or marking off potential “falling ice” areas as a