The mere mention of the trick itself is evidently not a powerful enough lure for the man. Or Wrench just needs to explain how the hell to do it. He realizes the latter only after several moments of frustration with the former.

Try it for yourself. Is he goading? Is it possible to goad when there's no clear emotion behind silent, static words in the air?

Just think in my direction, and imagine the words appearing instead. It'd help me out. I'm Deaf, so I've got no damn clue what you're saying otherwise.