If we're to accept what we're told, we should change our helmet as often as BMW owners change their bikes. (That's a dig at PPI, by the way 
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Yeah, I've done the IAM. And yeah, I recommend it (any so-called 'advanced training' come to that; not just IAM): A low cost training course based on the system used by the police, which is largely common sense once pointed out, making one smoother, quicker and safer. What's not to like? And why would one not want to tell others? :hide: