A Viking war horn, often crafted from polished animal horn and sometimes carved with runes or knotwork, was a vital communication tool for signaling in battle, warning of danger, and rallying troops, but also served as ceremonial drinking vessels for mead at feasts, symbolizing camaraderie, with the legendary Gjallarhorn in Norse myth heralding Ragnarök. These authentic or replica horns, including large sizes for deeper tones, are popular for historical reenactments and cultural display.
