Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Cannonfire Cord Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Cannonfire Cord suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Cannonfire Cord is part of the transmog set Guardian Serpent Regalia (Priest only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 90448 (90443 to 90453) were usually added in the same batch as Cannonfire Cord: the same quest line, zone, vendor or reward set.