http://www.backcountry.com/black-diamond-avalung-ii http://www.backcountry.com/black-diamond-avalung-ii Most ski patrols use ABS to cushion the neck and buoy t

http://www.backcountry.com/black-diamond-avalung-ii http://www.backcountry.com/black-diamond-avalung-ii Most ski patrols use ABS to cushion the neck and buoy the skier above the snow, but this is supposed to be OK in a pinch if you can keep it in your mouth while tumbling down a mountain.