The Mad Barber

Weapon rules: You may only use straight razors or Figaro.
Armor rules: There are no limits on armor.
Special/skills rules: There are no limits on specials or skills.
Perks/traits rules: There are no limits on perks or traits.
Food/drugs/healing rules: You must constantly be under the effects of alcohol.
Companion rules: You may not use companions beyond required DLC companions.
Gameplay rules: You must kill everyone with hair.
- Enemies are considered to have hair if they have any visible hair other than balding, bald, or shave heads. Raider hair doesn't count as being bald.
- Male characters in full armor with helmets or hats are considered bald, and must not be attack, even if they're hostile to you.
- Women models unless are made not to have hair specifically (Christine, tribials, lobotmites, etc) are considered to have hair and must be killed even if they are wearing hats.
- Animals and enemies with hair are to be killed (Big Horners, dogs), animals and enemies without hair must be left alone (Deathclaws, Ghost people, etc).
Require mods: There are no required mods, though sawyers is recommended.
Difficulty rules: None, though hard or higher is recommended.
Completion rules: Complete all 4 dlcs and the main quest while following the rules of the run.