Tarnkappe

This cap was called Tarnkappe, and without it the dwarfs dared not appear above the surface of the earth after sunrise for fear of being petrified.

Myths of the Norsemen From the Eddas and Sagas 1894

Siegfried dons the "Tarnkappe", which renders him invisible, so that while Gunther makes the motions, Siegfried really does the work, a thing which is rather difficult to imagine.

The Nibelungenlied Daniel Bussier Shumway

Siegfried and Gunther no longer change forms, but Siegfried dons the “Tarnkappe”, which renders him invisible, so that while Gunther makes the motions,

The Nibelungenlied 2007

Except that Mundy says none of this, neither does he indicate it by so much as a slip of the eye, because Sasha in the Wagnerian spirit of the place is wearing his invisibility hat, his Tarnkappe as they used to call it, the black Basque beret worn severely across the brow that warns against the slightest indiscretion, particularly in time of war.

Absolute Friends Le Carre, John, 1931- 2003

But Ginny needs a Tarnkappe, if not a transformation spell, to pass unnoticed by men; and right now any goetics not required for the project or for communications was, naturally, forbidden.

Operation Luna Anderson, Poul, 1926- 1999

When the dwarf could not overcome him, they ran like lions to the mountain, where Siegfried won from Albric the cloud-cloak that hight _Tarnkappe_.

The Fall of the Niebelungs Margaret [Translator] Armour

I will come to-night to thy room secretly in my _Tarnkappe_, that none may guess the trick.

The Fall of the Niebelungs Margaret [Translator] Armour

Yet we had never parted with it, if we had not lost with Siegfried the good _Tarnkappe_.

The Fall of the Niebelungs Margaret [Translator] Armour

But Siegfried was wise, and stowed away his _Tarnkappe_ with care; then he went back where the women sat, and said feigningly to Gunther,

The Fall of the Niebelungs Margaret [Translator] Armour

Meanwhile, Siegfried, the cunning man, went, when none spied him, to the ship, where he found the _Tarnkappe_, and he did it on swiftly, that none knew.

The Fall of the Niebelungs Margaret [Translator] Armour