From Team Fortress Wiki
The Crosslinker's Coil is a promotional cosmetic item for all classes. It is a fedora hat with electrical cable wrapped around it, powered by team-colored batteries sporting the Mann Co. logo, similar to the hat worn by Richard Conway in Gunpoint.
- The Crosslinker's Coil was added to the game.
- Made the Crosslinker's Coil tradable and giftable.
- Removed promotion restrictions from the Crosslinker's Coil.
- The name of this item is a reference to the Crosslink device from Gunpoint, which allows the player to rewire the security features of a building to disable them or to turn them into deadly traps.