Flashing mouthguards are making their debut at the Women’s Rugby World Cup.They flash red to indicate that a player requires a head injury assessment.BBC Sport’s Emma Middleton went to take a look at how the technology can help spot players who have suffered a concussion.READ MORE: Flashing mouthguards to indicate HIA at World Cup
Source link
Women’s Rugby World Cup: Why are players’ mouthguards flashing?

