From Team Fortress Wiki
The Merc's Muffler is a community-created Miscellaneous item for all classes. It is a thick yellow and team color striped scarf with white in between the stripes, wrapped thickly around each class's neck.
- The Merc's Muffler was added to the game.
- [Undocumented] The Merc's Muffler was made craftable and was added to the Mann Co. Store.