It refers to the rare pipe of amontillado that montresor claims to have.
<span>At last, a required reading question that does not require having done the reading! </span>
<span>Do you know what asyndeton is? (It's the absence of a conjunction where grammar requires one.) A common asyndeton is "I came, I saw, I conquered." (Veni, vidi, vici in Latin.) The "and" that goes in a series is missing. </span>
<span>Most often the missing conjunction is and or or, but it can be anything. </span>
<span>Now find some of those in the book.
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Trivial details are details that have little to no relation to the evidence you are supporting. Supporting details back up you evidence strongly. Trivial details will often be used to keep the audience interested (ex: A fun fact about the moon.)
Hope this helps!