► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Companies are developing new technologies to mitigate against some of the risks associated with contact sport. But do mass-market sport-related technologies promise more than the products can deliver? The FT's Ravi Mattu reports.<br /><br />► FT World News: http://bit.ly/1Exp0iJ<br /><br />► FT Business: http://bit.ly/1KUK08s<br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
