Jonny got bored and made himself some helemt prototypes, using kevlar, fibreglass, and combinations of the two. He then proceded to destroy them, using a step ladder and a rock. See how they fared up, one even broke the rock...<br /><br /><br /><img src="http://ll.broadbandsports.com/images/1.thumbnail_33.jpg" alt="Scientific Helmet Testing" title="Scientific Helmet Testing" width="150" height="90" alt="Scientific Helmet Testing"/>
