The world would be a much more boring place to live if there were no martial arts. Luckily we have the dogs of many different breeds to satisfy our need to fight. If you love Demolition Derby and are passionate about it then you found one of the coolest shirt for yourself or for your Demolition Derby loving friend or family member. Maybe it's about time to show the world how much you appreciate the attention of your Demolition Derby teacher. Coolest dude all the way! :) The funny Demolition Derby t-shirt with a funny saying is a perfect design for Demolition Derby fans.