The logo is designed with inspiration from the Hammer of Thor.

The Hammer was Thor's - son of Odin - weapon.

It returned to his hand after having paralysed the enemy.

The logo is designed from a viking amulet appr. 1000 AD found at the island of Bornholm, Denmark. The original is on show at the Danish National Museum in Copenhagen.

You may order a copy at this address: Danish National Museum.