A Scandinavian myth: During the reign of King Frodi two female giants, called Fengi and Mengi, were the only two creatures who could worked a mill, called Grotti, that produced food magically for Frodi and his subjects. The king was a ruthless master who drove the giants night and day, rarely giving them time to rest and then only long enough for them to sing a song.

One night, fed up with the way the King was treating them, the two giants sang a magical charm that killed Frodi. His successor, Mysing, was no better and set them to work grinding salt. They worked so hard that they filled the ocean with salt and that is why the sea is so salty today.