&lt;p&gt;As well as full welded cage and an FIA-standard seat, Mark Higgins also had&amp;nbsp;the safety net to make sure he'd be&amp;nbsp;fine in case the car landed&amp;nbsp;on its left side. For those quick in-and-outs, all the glass was replaced by 6mm thick plastic secured with the least amount of adhesive possible.&lt;/p&gt;