Thoughts flashed through Wilkins' brain...
How would the crab respond to an escape attempt?
How fast can it move?
Does it only follow sounds?
Lawd - It's too cold for standing in front of some robot crab without pants on!
What is that movement off behind the rocks to the left of the "Jenny"?

"Songs?" says Priscilla.
The crab shuffles its legs, bunching them closer together as it focuses its attention towards the girl.