Roc's Feather

http://www.zeldauniverse.net/images/stories/games/z7/items/feather.gif

The Roc's Feather is an item that lets you jump over single holes. (In Link's Awakening, you can jump over two holes with it.)

In Oracle of Seasons, it is in Poison Moth's Lair. In Oracle of Ages, it is in Wing Dungeon. In Link's Awakening, it is in Tail Cave. It is also in Four Swords Adventures.