Beerball Posted February 18, 2015 Posted February 18, 2015 hope this one isn't a duplicate... http://sports.yahoo.com/blogs/ncaaf-dr-saturday/kansas-to-utilize-impact-sensing-mouthguards-to-help-monitor-concussions-153956792.html
Mr. WEO Posted February 19, 2015 Posted February 19, 2015 This guy didn't need a fancy one of those... https://www.youtube.com/watch?v=km32TXttaGU
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