In Greek mythology, Eurytion referred to three different people.
One was the King of Phthia[?] and father of Antigone. In Phthia[?], Peleus was purified by Eurytion for the murder of Phocus and married Antigone, Eurytion's daughter. Peleus accidentally killed Eurytion during the hunt for the Calydonian Boar and fled Phthia.
Son of Ares, guardian of the cattle of Geryon, he was killed by Heracles.
... when the precession of the gyroscope is supported and amplified by wrist motion.
It takes a while until one finds the "rolling" point, but the gyro will also b ...