The shape of things to scrum? This week's 'Rugby Reloaded' looks at the past, present and future of the scrum. Take a ten-minute trip back to the time when scrums worked the wrong way round and discover why the scrum's problems have always been a headache for all codes of the oval ball game. For more on the history of rugby and the other football codes, follow me on Twitter @collinstony and at www.rugbyreloaded.com