Explosive Collar

The explosive collar is a piece of neckwear in Fallout: New Vegas.

Characteristics
It is commonly used on slaves, and explodes via remote trigger (usually held by a slaver) or attempting to interfere with the collar's wiring.

Locations
The Brotherhood of Steel will force the Courier to equip one when they first meet as a way to make sure the Courier does not reveal their location to the enemy.

Appearances
The explosive collar appears in Fallout: New Vegas.