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Mouthguards that flash red with head impacts to be used at Rugby World Cupwww.rnz.co.nz/news/sport/569695/mouthguards-that-flash-red-with-head-impacts-to-be-used-at-rugby-world-cup
270 sats \ 1 comment \ @carter 22h Stacker_Sports
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35 sats \ 0 replies \ @grayruby 22h
That's really interesting. Hopefully they are highly accurate and not creating a lot of false alarms.
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