The Brother Emblem is an item from Oracle of Ages.
The Brother Emblem is a symbol of brotherhood of the Gorons, which when received, Link will become a respected sworn brother to the Gorons. In the Present or the Past, Link can enter the Goron Dance Hall and dance with the Graceful Goron, and be rewarded with the Brother Emblem and become a respected brother of the Gorons. The Brother Emblem can later be used to enter a new area. If Link shows the Brother Emblem to the Goron who guards the way besides the Goron Dance Hall, he will move aside for him to enter.