Ok new is not right but damaged is a no no and ill fitting which a lot of cheap and nasty helmets can quite easily be are a lottery, if its too loose it can slip off. My Son is prime candidate of that he almost strangled himself as he had the strap too loose and when he fell off it slipped off...
Is it me or is perseus actually correct, he is saying only use helmets that are new, undamaged and fit properly, otherwise they are a waste of time. Thats spot on, if you have an ill fitting helmet it will not do you much good at all as when you fall off it is likely to fall off your head. He...