Trove of Valhalla Urnes Snakes for Skill and Ingenuity Pendant Charm Amulet Talisman For Skill and Ingenuity. Carved on large rune stones in Urnes, these snakes are the symbol of Loki - Shape-changer and Trickster - the clever god as flexible as a serpent in wriggling out of trouble. Vikings believed snakes, in shedding their skins, were both wise and powerful. Each charm is hand-finished in lead-free pewter and comes on a ball chain in a clear packet with instructions and meaning. Approximate size: 7/8" x 1-1/4".