Which mythological artifact's design principles were specifically studied by Apple designers when creating the original iPod's user interface?

In the world of product design, mythology has always been a rich source of inspiration. From the legendary craftsmanship of Hephaestus to the magical artifacts of various cultures, mythological objects often embody perfect design principles. This poll tests your knowledge about how ancient mythological concepts have influenced modern product design and branding strategies in unexpected ways.

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Thor's hammer (Mjölnir), for its 'return to owner' functionality that inspired the circular scrollwheel navigation
The Delphic Oracle's tripod, which informed the three-part interaction model (browse, select, return)
Hermes' Caduceus staff, whose twin serpents influenced the dual-channel navigation system
Daedalus' Labyrinth, whose elegant complexity with a single path to center inspired the click-wheel navigation system