New study reveals differences between 'Demon Slayer' bamboo muzzle and actual bamboo

Phys.org

March 6, 2026

In storytelling, even small visual details can become unforgettable. In the globally popular anime "Demon Slayer," one such detail is the short bamboo muzzle worn by a central character. It looks simple and believable, just a piece of green bamboo tied across the mouth. But a new study suggests that this familiar object could not exist in nature as shown in the anime.