Answer:
Leaving without paying
Explanation:
When a person says they would check out "Rex Walls-style", it means that they would leave without paying. This term was coined after Rex Walls who left without paying his bills.
This can be used to mean entering a store (or any place you have to pay) and leaving without settling your bills.
You could use confidence.
I think the answer is to convey how a literary work uniquely portrays a situation, event, or location