IMHO shouldn't leave home without one, less than a fiver and priceless for insurance details (cos it gives an idea of weather conditions as well. Avatar was from disposable)  
 Quote:
   | Bet it was a woman driver, tsk! | 
 
   You say it was the son...but I bet it was his mum that taught him.
 
  Glad you're "OK" Rally even though the bruising is yet to arrive.
 Get yourself off to hospital and get checked out.