The Corrbolg (Crane Bag), has appeared through out history in many Irish Celtic mythological stories. In one story, Aoife, daughter of Daelbeth, and Luchra, daughter of Abhartach, both fell in love with Illbreac, the son of the Irish Sea God, Manannán mac Lir. Illbreac, however was only interested in Aoife.
In a fit of jealousy, Luchra turned Aoife into a crane, who then flew to the lands of Manannán and lived there for two hundred years. When she died, Manannán strickened with grief, used her skin to make the crane-skin bag, where he kept all his his magical possesions.
Any animals that were taken out of the bag to be slaughtered and eaten would re-appear the next day.
Cumhall, father of the Irish warrior Fionn mac Cumhall later came upon the Corrbolg. Cumhall was killed by Goll mac Morna, and the crane skin bag was stolen and given into the care of Lia, chieftain of Luachar in the province of Connacht. Fionn later avenged his fathers death and took back the Corrbolg. The Duanaire Finn (Fionn’s Poem Book) was written by the scribe Aodh Ó Dochartaigh between August 1626 to the sixth of August 1627. Telling the story of the Corrbolg and its magical contents.
Bean Feasa 