Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Feathered Galeforce Crest Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Feathered Galeforce Crest suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Feathered Galeforce Crest is part of the transmog set Eternal Curator's Chains (Hunter, Shaman and Evoker only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 161356 (161351 to 161361) were usually added in the same batch as Feathered Galeforce Crest: the same quest line, zone, vendor or reward set.