Originally Posted by Idiens
What convinced me a long time ago to wear one on a motor cycle were the wise words of an ambulance driver:-
"Look, the chin strap makes it a lot easier for me to pick your head out of the ditch".
Heh. I've heard the use of a helmet makes the difference between an open or a closed coffin. From what I've seen, though, it's the consequences of living with a personality or intelligence-modifying brain injury rather than getting killed that bother me, and the helmet can improve one's chances.