More on Hel Keplein from Infoplease:

• Hel Keplein - Hel Keplein A mantle of invisibility belonging to the dwarf-king Laurin. (German, hehlen, to ...
• Invisibility - Invisibility according to fable, may be obtained in a multitude of ways. For example: Albric's ...
• Dictionary of Phrase and Fable: H - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "H"