Okay so, here's what this feat would do: Toggling this feat on will allow you to equip a weapon in your offhand and single weapon fight with it by abstaining from hitting enemies with it effectively causing it to count as if an orb.

Example of Use:

Legendary affirmation dagger on the offhand so the mainhand weapon can have sentience: https://ddocrafting.info/lgs/7/17/17/31/7/28/