Read from the World of Warcraft client build files.
How Grievous Gladiator's Kodohide Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear.
Transmog Sets
Grievous Gladiator's Kodohide Helm is part of the transmog set Grievous Gladiator's Dragonhide Armor (Druid only), which the Appearances collection lists in 2 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Grievous Gladiator's Kodohide Helm Fits
Other Items Named Grievous Gladiator's Kodohide Helm
4 other items in the current build are also called Grievous Gladiator's Kodohide Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Grievous Gladiator's Kodohide Helm
Blizzard numbers items as they are created, so the named items next to ID 100271 (100266 to 100276) were usually added in the same batch as Grievous Gladiator's Kodohide Helm: the same quest line, zone, vendor or reward set.