Camouflage is a great skill. It allows characters to blend perfectly into their surroundings. Like a polar bear in a coal mine in some cases.
R2-D2: Hey Sally, Annie, Jim. Sorry we're a bit late.
GM: Hi Pete. Hi Corey, good to see you again.
Adam: Yeah, I want to know what happens next.
GM: The Sand People drag your unconscious body back to your hovercar.
R2-D2: I hide in the rocks.
C-3PO: I'm going to play dead.
GM: You're a droid. How are you going to do that?
C-3PO: I rip my arm off!
C-3PO: And also, I lie on the ground.
GM: <roll>... The Sand People collect your prone form.
GM: <roll> R2, despite your excellent attempt at camouflage, they notice you're not a boulder. One heads over to collect you.
R2-D2: Oh great, now we've got to escape from these guys as well.
C-3PO: This time I'm in charge of the breakout committee.