Sleipnir - In Norse mythology, Odin, the father of all gods, rides on an eight-legged horse named Sleipnir.
This powerful and magical creature appears in both the Poetic and Prose Eddas.
The nine points are also suggestive of the Nine Worlds.
Their intervvoven shape suggests also the interrelatedness of the three realms of earth, hell, and the heavens, and the nine domains they encompass.
Nine Worlds Symbol - The cosmology of Norse mythology has 'nine homeworlds', unified by the world tree Yggdrasill.