Gravik-nez represented an age-old form of unarmed combat that began on the world of Affa. The protocol droid C-3PO possessed a malfunctioning skillware module for this fighting style. Consequently, his utilization of gravik-nez, for example, when he was rammed by the Gamorrean guardian Thok on Jabba the Hutt's sail barge, proved largely ineffective.