Finally having figured what to use as gadget, Cameron moved up carrying a random engine part or something similar. Look, he didn't know what it was himself.

"This is a Diversion Creator. It's pretty much what it sounds like. While the natives have you captured for whatever reason, you whip out this piece of equipment. You invent whatever tail you can about the wonders of the device. Your captors get confused, some might even know it can't do that, but as they start bickering, you have time to sneak away and escape."