Mechanical Limb: A player chooses to have one of their limbs replaced with a steam powered mechanical replacement. The player already has this augmentation at the beginning of the game. Mechanical appendages are prone to malfunctions and on a roll of a 1. The piece of equipment ceases to function losing all benefits of the limb.
Mechanical Limb (Improved): A player has multiple parts of their body replaced. The player can have only an amount equal to their con modifier plus the mechanical limb from the first trait. A malfunction will cause all the limbs to cease to work.