Let's dig into this classified alien tec—er, variable resistance trigger.

The trigger works normally without any of the mechanics active, making contact with a button on the blue ribbon cable. But if game developers choose to, they can program the controller to precisely adjust how difficult the trigger is to pull.

The silver motor spins the white worm gear, which drives the black lever arm up and provides resistance to the trigger’s lever action, adding another level of feedback to the controller.