Invocation Norse rites where Odin is invoked to "ride" workers of seidr (Norse shamanism), much like the god rides his eight-legged horse Sleipnir. Indeed, forms of possessive invocation appear throughout the world in most mystical or ecstatic traditions, wherever devotees seek to touch upon the essence of a deity or spirit. Some have performed invocation for the purpose of controlling or extracting favors from certain spirits or deities. These invocations usually involve a commandment or threat against the entity invoked. The following is a curious example of such an invocation, found engraved in cuneiform on a statue of the Assyrian demon
Odin as a pair, after the fashion of the day, one on each shoulder, makes one's thoughts turn towards Odin's ravens and the cult of Odin in the Germanic Iron Age." says that Odin is associated with disguise, and that the masks on the ravens may be portraits of Odin. The tapestry fragments, discovered within the Viking Age ship burial in Norway, features a scene containing two black birds hovering over a horse, possibly originally leading a wagon (as a part of a procession of horse-led wagons on the tapestry). In her examination of the tapestry, scholar interprets these birds as