Read from the World of Warcraft client build files.
How Crest of the Clan Lords Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Crest of the Clan Lords suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Crest of the Clan Lords is part of the transmog set Mogu Lord's Regalia (Hunter, Shaman and Evoker only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Crest of the Clan Lords Fits
Other Items Named Crest of the Clan Lords
2 other items in the current build are also called Crest of the Clan Lords. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 81237 (81232 to 81242) were usually added in the same batch as Crest of the Clan Lords: the same quest line, zone, vendor or reward set.