Made this as a way to learn Rimworld modding with assistance. It's not complete since the actual headpiece doesn't show a texture, but it works.
Works by adding tag "CommHeadset" to an item to make it part of the map's comms network.
Adds a Communications Headset - a lightweight utility-layer headpiece and laryngophone crafted at the Machining Table. Any two faction pawns on the same map who both wear one can interact socially regardless of distance.