Sleipnir continues that "his use of Sleipnir in the kenning may show that Sleipnir's role in the failed recovery of Baldr was known at that time and place in Iceland; it certainly indicates that Sleipnir was an active participant in the mythology of the last decades of paganism." Lindow adds that the eight legs of Sleipnir "have been interpreted as an indication of great speed or as being connected in some unclear way with cult activity." Hilda Ellis Davidson says that "the eight-legged horse of Odin is the typical steed of the shaman" and that in the shaman's journeys to the
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