Read from the World of Warcraft client build files.
How Crimson Gladiator's Leather Strap Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Crimson Gladiator's Leather Strap suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Crimson Gladiator's Leather Strap is part of the transmog set Crimson Gladiator's Leather Armor (Monk only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Crimson Gladiator's Leather Strap Fits
Other Items Named Crimson Gladiator's Leather Strap
3 other items in the current build are also called Crimson Gladiator's Leather Strap. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Crimson Gladiator's Leather Strap
Blizzard numbers items as they are created, so the named items next to ID 201615 (201610 to 201620) were usually added in the same batch as Crimson Gladiator's Leather Strap: the same quest line, zone, vendor or reward set.