Were-Claw Mod: http://www.nexusmods.com/newvegas/mod...
This mod is long over due. It's incredible, you can turn into a deathclaw in Fallout New Vegas. It's similar to being a werewolf in Skyrim except there are no restriction.
To gain the perk, you must kill the Legendary Deathclaw. If you already killed him, follow the instructions on the mod description page. I'll leave a link below.
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Twitter: / tuphs