At the entrance to the Black Sea, where the silver corridor of the Bosphorus now opens, the passage was blocked by two strange rocks called the Simplegades. Every minute they converged as if they wanted to hug, and again dispersed, opening for a moment the passage. Neither the ship was able to sail there because it could be crushed in the stone vice of these rocks. The Argonauts, on the advice of Phineus, stopped at the Simplegads themselves and first released the pigeon. The bird flew so fast that the cliffs that joined together tore only a few feathers from its tail. The heroes, taking advantage of the minute when the rocks parted, joined the oars together and sailed so fast that the rocks only managed to smash a piece of wood at the stern of the ship. The symplegades froze and have not moved since then. Orpheus, who during the dangerous crossing all the time played the lyre and sang divine songs, later told that it was his magical music that stopped the Simplegades. A few d
