Lausatök or Free - Grip is the most aggressive form of armed and unarmed Glima , the name of the Scandinavian martial arts system used by the Vikings over 1,200 years ago .
Lausatök or Free - Grip is the most aggressive form of armed and unarmed Glima . 
 Glíma is the name of the Scandinavian martial arts system used by the Vikings over 1,200 years ago .