Guðmundr of the sheaf in Norwegian Yule celebrations. According to "Hervarar saga ok Heiðreks", the Norwegians came to see Guðmundr as a god; Höfler argued that in both the wolf-form suggested by "Úlfhéðinn" and the horse-form suggested by "faxi", Guðmundr was a death-demon and his death-horse the prototype of the death-horse Sleipnir portrayed on the Gotland picture stones. Ingemar Nordgren regards the first Guðmundr as "a cult-god" and his son, the Guðmundr of the sagas, as portraying him in theriomorphic form, and suggests that he is either an earlier fertility god who came to be identified with Óðinn and that Glæsisvellir
Legged Squad Support System was approximately the shape and size of a horse. A stereo vision system, consisting of a pair of stereo cameras mounted into the 'head' of the robot, was integrated alongside a light detecting and ranging (LIDAR) component in order to enable it to follow a human lead and record intelligence gathered through its camera. The initial contract for the Legged Squad Support System was awarded to Boston Dynamics on December 3, 2009. The continued evolution of the BigDog led to the development of the LS3, also known as AlphaDog. The contract schedule called for an operational demonstration of two units