Collar

* Armor and clothing:
** Slave collar, a pre-War prisoner control device, used after the Great War as an incentive to be obedient, exploding via remote trigger or at a pre-programmed circumstance. Appearing in Fallout 3, Fallout: New Vegas and the add-on Dead Money.
*** Slave collar instructions, a paper note in Fallout 3.
** Control collar, a device designed to explode under pre-programmed circumstances, in Fallout: New Vegas. 
** Destroyed collar, a slave collar that has detonated, in Fallout: New Vegas.
** Explosive collar, a variant that appears in Fallout: New Vegas and the add-on Dead Money.
** Dead Money collar, obtained by Elijah at Little Yangtze during his investigation of Big MT. Found in the Fallout: New Vegas add-on Dead Money.
** Deactivated bomb collar, deactivated collars left behind by Elijah when he took his trip to Big MT. They can be found in the Fallout: New Vegas add-on Old World Blues.
** Shock collar, a prisoner control device similar to the slave collar appearing in the Fallout 4 add-on Nuka-World.
* Quests:
** Find Collar 8: "Dog", an introductory quest in the Fallout: New Vegas add-on Dead Money.
** Find Collar 12: Christine, an introductory quest in the Fallout: New Vegas add-on Dead Money.
** Find Collar 14: Dean Domino, an introductory quest in the Fallout: New Vegas add-on Dead Money.
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