Callaway's head of product R&D Dr Alan Hocknell talks more about the technology behind the brand's new Epic drivers and their Jailbreak Technology. <br /> <br />Check out more reviews, news and tips & tricks from the world of golf, exclusively at http://www.golfmagic.com <br /> <br />Follow GolfMagic on Twitter - http://www.twitter.com/GolfMagic <br />Follow GolfMagic on Instagram - http://instagram.com/golfmagic.com_ <br />Like GolfMagic on Facebook - http://www.facebook.com/GolfMagic
