The Thor Hammer Raven Knot Amulet Necklace features an intricate raven head on the pommel of the Thor’s Hammer, Mjolnir. Ravens are the symbol of the presence of the king of Asgardian Gods - Odin. On the other hand, one of the most recognizable symbols from Norse mythology, Mjolnir stands for courage, strength, and protection. Whether you have an interest in ravens, Viking mythology or both, this solid stainless steel amulet will be a perfect fit.