What is the name of Freyr's magical ship?

The story behind the answer

Skíðblaðnir is Freyr’s magical ship, crafted by the dwarf-smiths known as the Sons of Ivaldi. Described in the Prose Edda as “the best of ships,” it always catches a favorable wind as soon as its sail is raised, can carry all the gods, yet folds up like cloth to fit in a pocket—signs of Freyr’s association with prosperity, abundance, and good seasons.

To place it in the Norse fleet: Hringhorni is Baldr’s funeral ship, and Naglfar is the dread vessel made from dead men’s nails that sails at Ragnarök. A memory tip: the “Skið-