Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Honorbound Retainer's Sash Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Honorbound Retainer's Sash suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 3 items nearest to Honorbound Retainer's Sash (item level 437) in item level among Armor > Cloth, Waist slot, from item level 400 to 545.
Blizzard numbers items as they are created, so the named items next to ID 221121 (221116 to 221126) were usually added in the same batch as Honorbound Retainer's Sash: the same quest line, zone, vendor or reward set.