In awkward scenes at Gosford, the savage junior footy star instead put in his mouthguard and walked off.

Source: https://www.dailymail.co.uk/sport/nrl/article-11764897/Kalyn-Ponga-savaged-footy-fan-appears-refuse-accept-headgear-Knights-trial-loss.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

In slap fighting, short of biting your mouthguard and hoping to hell that your opponent obeys the rules against clocking you in the ear, there’s little for the “defender” to do but stand there and take it.

Source: https://www.poynter.org/reporting-editing/2023/coronavirus-spread-because-parents-lied/

World Rugby said its independent Concussion Working Group is recommending all players at all levels wear a mouthguard, pointing to research in ice hockey that found it protects against dental injuries and reduces the risk of a concussion by 20%.

Source: https://www.sandiegouniontribune.com/sports/national/story/2023-10-09/mouthguard-technology-detecting-brain-injuries-to-be-adopted-in-rugby