Spriggan Shield is a shield in The Elder Scrolls V: Skyrim. It was originally added to the game as a way for Spriggans to block without appearing to have a shield equipped. It has collision data, but no visible mesh or texture data, and was cut from the game by the time it was published.
The shield is a part of every Spriggan's combat AI, and so each possesses one. However, the Dragonborn cannot loot it or equip it without the use of console commands, and it cannot be found in their inventories.
As this item cannot be obtained by the Dragonborn without Console Commands, it has no crafting recipe, and it also cannot be upgraded.