WoW Housing — Browse All Housing Decor
Browse all 1,600+ World of Warcraft housing decoration items. Filter by furniture category (seating, tables, lighting, rugs, wall decor, outdoor) and expansion. Track your homestead collection.
Browse housing decorations from quests, vendors, crafting, and world drops. Find decor items for your Delve base from The War Within and Midnight. Each decor item has an acquisition guide with sources and tips.
Rocket-Unpowered Rocket
The War Within. Source: Quest. This weapon is the first one I've seen that actually looks like its icon.
The Rocket-Unpowered Rocket is a decor item obtained via a quest in Westfall.
Complete Westfall Quest Series
Progress through the Westfall storyline up to and including Rise of the Brotherhood, then turn it in to King Wrynn in Stormwind.
Return to Westfall
After completing the quest chain, return to Westfall — the sky will turn red and Defias Knuckledusters will appear among the mobs attacking Sentinel Hill with an essentially instant respawn rate.
Farm Defias Knuckledusters
Defeat Defias Knuckledusters at Sentinel Hill repeatedly until the item drops; the ~100-kill average suggests roughly a 1% drop rate, and these mobs also have a chance to drop the 
Deadmines Cleaver.