In Mordor, Sam pretty much uses the couplet as a cross to repel a vampire, or in this case a spider.
A ravening horde of evil Mordor Orcs are now rapidly closing the distance between themselves, Eowyn and her valiant defenders.
Representing the dwarves, Gimli comes from the mountain kingdom, and for the elves, Legolas joins the company; with Gandalf the wizard, the nine represent the free races in opposition to the Dark Lord Sauron of Mordor.
The Fellowship is resolved, to take the Ring into Mordor itself, the home of the Dark Lord, and to destroy the Ring in the firy mountain where it was first forged, the only fire hot enough to destroy it.
Hobbit Pippin is with wizard Gandalf as they reach Minas Tirith, the capital city of Gondor, which leads the war against Mordor.