► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
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.
► FT World News: http://bit.ly/1Exp0iJ
► FT Business: http://bit.ly/1KUK08s
For more video content from the Financial Times, visit http://www.FT.com/video
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes