Most anyone familar with racing have seen the tell-tale racing cages built into the 'fast' cars at the track. The true 'value' of these safety devices have often been demonstrated on the six-o'clock news. Every great once in a while you get to see in person.
http://photos.imageevent.com/driller/2006racing/mini-100_1935.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1937.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1939.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1938.jpg
Amazing.
http://photos.imageevent.com/driller/2006racing/mini-100_1935.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1937.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1939.jpg
http://photos.imageevent.com/driller/2006racing/mini-100_1938.jpg
Amazing.