21. I was getting in the car with Dad and feeling like I needed a crash helmet , 22. Clashes erupted after anarchists wearing hoods and crash helmets broke away from an otherwise peaceful march. 23. The skulls of those dinosaurs were nothing at all like crash helmets , according to Goodwin's analysis. 24. The conservatives have put away their crash helmets . 25. Maybe they could have used crash helmets . 26. He also wears a crash helmet containing hearing protection and the buzzer for the low-fuel warning timer. 27. In Kuala Lumpur, items barred from the stadiums include umbrellas, crash helmets and canned drinks and food. 28. "Probably not a potential Olympic event, but you don't have to wear a crash helmet , either ." 29. They wear crash helmets and seat belts not so much for safety but to avoid being fined. 30. That's roughly equivalent to thinking you can wander safely across the interstate because you're wearing a crash helmet .
