Article URL: https://www.rnz.co.nz/news/sport/569695/mouthguards-that-flash-red-with-head-impacts-to-be-used-at-rugby-world-cup
Comments URL: https://news.ycombinator.com/item?id=44870332
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Author: colinprince
Article URL: https://www.rnz.co.nz/news/sport/569695/mouthguards-that-flash-red-with-head-impacts-to-be-used-at-rugby-world-cup
Comments URL: https://news.ycombinator.com/item?id=44870332
Points: 9
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Author: colinprince