Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Swollen Bark Clasp Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Swollen Bark Clasp suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Swollen Bark Clasp is part of the transmog set Centaur Dungeon Harness (Hunter, Shaman and Evoker only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 193656 (193651 to 193661) were usually added in the same batch as Swollen Bark Clasp: the same quest line, zone, vendor or reward set.