Adds a melee weapon of your choice to the player's left hand.
It is used as an armor piece that replaces the wedding ring armor slot.
To dual wield a weapon type, choose your melee weapon and then choose your left hand weapon under armor. There does not have to be the same weapon type or any weapon equipped for the left hand weapon, but it would look buggy if used with rifles and two handed weapons.

VERSION 2:
  Chinese Sword
  Grognak Axe
  Combat Knife
  Machete
  Crafting Workbenches Optional Patch 

VERSION 3:
Bladed Knuckles
Deathclaw Gauntlet
Deathclaw Guantlet with Extra Claw
KatanaCredit to invalidfate  for Insanitys Celtic Katana
Switchblade
Deliverer Pistol
Revolutionary Sword
Wolverine Claw Left Hand Use with Wolverine Claws
Crafting Workbenches Patch Updated
Optional Deathclaw Gauntlet Dual Wield Animations

UPDATE 3.5:
Fixes the issue with armor that covers forearms slot, like Colonial Duster, Kellog's Outfit, Grognak's Costume,
Cleanroom Suit, etc.

Other planned versions:  More lefthand pistols/revolvers and other melee weapons


To install, use any mod manager 

Without the Crafting Workbench Patch,to get the left hand weapon:

In console type-

help lefthand 4

player.additem id (id will be the result of the help command)