If you’ve been collecting all sorts of random items and haven’t been able to figure out what to do with them in Call of Duty Modern Warfare 2‘s DMZ mode, then this is for you.

The game has a new system that uses barter recipes which allow players to turn various items like bandages, liquor, comic books, and more into items such as special three-plate chests, skeleton keys, special backpacks, and more.

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DMZ allows you to use barter recipes to create new items

A tempered vest in Call of Duty Warzone 2 DMZ
Credit: Activision Blizzard

Below we’ll provide all the different recipes you can get and what components you’ll need to craft them. All you’ll need to do is have the materials and access a Buy Station or Workbench to create something out of what you have.

Special three-plate vest barter recipes — Tempered, Comms, Stealth, Medic

  • Three-plate Medic Vest: Three bandages, one liquor, one watch
  • Three-plate Stealth Vest: Two electrical components, one comic book, one game console
  • Three-plate Comms Vest: Two hard drives, two batteries, one soothing hand cream
  • Three-plate Tempered Vest: One classified documents, one sensitive documents, two documents

All Koschei Complex shopkeeper barter recipes (new in DMZ Season 3 Reloaded)

  • Three-Plate Comms Vest: One server tape – orange, one formaldehyde
  • Three-Plate Medic Vest: One tattered lab notes, one delta board
  • Three-Plate Stealth Vest: One chlorine, one server tape – black
  • Tempered Plate Carrier: One acetic acid
  • Scavenger Backpack: Two server tape – black, two canned foods
  • Secure Backpack: Two beta boards, one gold bar
  • Skeleton Key: One alpha board, one server tape – silver, one lab code book
  • L2 Restricted Zone Key: Four wrenches, two scientist’s notes

Special backpacks barter recipes — Secure, Scavenger

  • Secure Backpack: One electric drill, one gas can, one gold skull
  • Scavenger Backpack: One battery, one pack of canned foods, two gun cleaning oils

All key barter recipes

  • Skeleton Key: One GPU
  • Al-Safwa Crane Control Room: Six stronghold keycards
  • Sattiq Poppy Farmer House Key: Three radiation blockers
  • Ashika Island Lost Room 403 Key: Four nuclear fuel

All support item barter recipes

  • Revive Pistol: One bandage, one soothing hand cream
  • Armor Box: One electrical tape, one screwdriver, one C4
  • Durable Gas Mask: Two toothpaste, one lighter
  • Munitions Box: One imported tea, 500 cash (amounts to the same price as buying it from the buy station)
  • Radiation Blocker: One blowtorch
  • Tactical Camera: One car battery

That should sum up exactly what items you can make via the barter system and what materials you’ll want to gather to do it.

READ MORE: All dead drop locations in DMZ Season 3 — stash your gear here!