Gridiron Football player, Western Crusaders, Footscray, Australia, 31 December 2019. View public domain image source here https://www.rawpixel.com/image/6113718/photo-image-face-mask-light-public-domainFree Image from public domain licenseCloseup on Gridiron Victoria, American football player, location unknown, 21 September 2019. View public domain image source… https://www.rawpixel.com/image/6113361/photo-image-face-mask-public-domain-greenFree Image from public domain license