With the recent discussions about safety equipment at DE's, I thought this article was very appropriate (even if it is Nascar oriented).
It's on the Fox Sports website and goes into some detail about what safety equipment is in a typical Nascar racecar and the intent.
Interesting reading!
Safety systems: Because racing is cheap when you compare it to hospital bills
Paste the following link:
http://msn.foxsports.com/nascar/story/4 ... 62&ATT=167