This item is acquired in-game. See its sources below.
An Epic Recipe, item level 1, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Creating this may inspire combat-oriented bracer schematics.
Spell effects bound to this item, from first-party game data.
Creates 
Complicated Cuffs Epic Mail Wrist, item level 350
Artisan's Mettle
Lustrous Scaled Hide
Reinforced Machine Chassis
Greased-Up Gears
Arclight CapacitorUsing Schematic: Complicated Cuffs teaches this recipe. The Dragon Isles Engineering recipe Complicated Cuffs takes Artisan's Mettle, 5 Lustrous Scaled Hide, 1 Reinforced Machine Chassis, 3 Greased-Up Gears and 3 Arclight Capacitor.
Read from the World of Warcraft client build files.
Schematic: Complicated Cuffs uses icon file 1500870, which 400 other items also use. The 8 closest by item ID:
Schematic: Needlessly Complex Wristguards ID 199223 · Recipe "Teaches you how to craft Needlessly Complex Wristguards."Schematic: Difficult Wrist Protectors ID 199225 · Recipe "Teaches you how to craft Difficult Wrist Protectors."Schematic: Overengineered Sleeve Extenders ID 199222 · Recipe "Teaches you how to craft Overengineered Sleeve Extenders."Schematic: P.E.W. x2 ID 199226 · Recipe "Teaches you how to craft P.E.W. x2."Schematic: Element-Infused Rocket Helmet ID 199221 · Recipe "Teaches you how to craft Element-Infused Rocket Helmet."Schematic: Ol' Smoky ID 199227 · Recipe "Teaches you how to craft Ol' Smoky."Schematic: Grease Grenade ID 199228 · Recipe "Teaches you how to craft Grease Grenade."Schematic: Tinker: Breath of Neltharion ID 199229 · Recipe "Teaches you how to craft Tinker: Breath of Neltharion."Blizzard numbers items as they are created, so the named items next to ID 199224 (199216 to 199229) were usually added in the same batch as Schematic: Complicated Cuffs: the same quest line, zone, vendor or reward set.
A Box of Rocks ID 199216 · Miscellaneous · item level 35 "A perfectly good box... being wasted on rocks."
Element-Infused Blood ID 199219 · Miscellaneous · item level 70 "The proto-dragons' tie to the elements runs deep."Schematic: Element-Infused Rocket Helmet ID 199221 · Recipe "Teaches you how to craft Element-Infused Rocket Helmet."Schematic: Overengineered Sleeve Extenders ID 199222 · Recipe "Teaches you how to craft Overengineered Sleeve Extenders."Schematic: Needlessly Complex Wristguards ID 199223 · Recipe "Teaches you how to craft Needlessly Complex Wristguards."Schematic: Difficult Wrist Protectors ID 199225 · Recipe "Teaches you how to craft Difficult Wrist Protectors."Schematic: P.E.W. x2 ID 199226 · Recipe "Teaches you how to craft P.E.W. x2."Schematic: Ol' Smoky ID 199227 · Recipe "Teaches you how to craft Ol' Smoky."Schematic: Grease Grenade ID 199228 · Recipe "Teaches you how to craft Grease Grenade."Schematic: Tinker: Breath of Neltharion ID 199229 · Recipe "Teaches you how to craft Tinker: Breath of Neltharion."The raw ItemSparse values for item 199224 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB