Polydectes told everyone that he was planning to marry Hippodameia, the daughter of the wealthy King Oinomaos of Pisa, and he asked all the men in his kingdom to contribute something toward the substa...Polydectes told everyone that he was planning to marry Hippodameia, the daughter of the wealthy King Oinomaos of Pisa, and he asked all the men in his kingdom to contribute something toward the substantial bride price that he would have to pay. Perseus was able to avoid the two, immortal Gorgons because he was wearing the cap of invisibility; he flew down to the Gorgons without being seen, and, looking carefully at his shield, he cut off Medusa’s head and placed it in his pouch.