The Hammer of Thor (called Mjölnir) has been worn by Scandinavians and Viking Warriors alike for centuries. It is the most important weapon of the thunder god Thor, who is associated with protection of mankind and destroyer of its enemies through lightning and furious supernatural wrath.
Wear it to keep danger at bay and ensure victory.
Mjölnir (from Old Norse Mjǫllnir) is the hammer of the thunder god Thor in Norse mythology, used both as a devastating weapon and as a divine instrument to provide blessings. - Wikipedia