&gt; Forget the fancy safety features. The humble belt is more important than all of them put together.<p>Totally agree with the second sentence, but disagree with the first.  It&#x27;s not like these features are just thrown in for fun; there is research and testing behind them, and they do save lives.<p>It&#x27;s like that oft-misquoted statistic that you lose 50% of your body heat through your head.  In reality that&#x27;s only true if you cover the rest of your body with clothes, but leave your head bare.  Obviously wearing clothes is going to keep you warmer than wearing a hat.  But, if it&#x27;s cold out, it does make sense to put a hat on too.