William Fitzhugh, a Viking expert at the Smithsonian National Museum of Natural History, explained (per ZME Science) that Vikings prided themselves on their appearance by regularly combing their hair and ironing their garments with hot rocks.

Nevertheless, Vikings also embraced the pain of decorating their teeth: “When in-filled with pigment, these grooves would have made Viking warriors look even more terrifying to Christian monks and villagers,” Fitzhugh added.

The Northman is now playing exclusively in theaters.

Source: https://www.distractify.com/p/the-northman-valkyrie-braces