When Bilbo tried to pick William's pocket to test his skill as a burglar, William's pursesquealed, alerting him. The trio of Trolls captured Bilbo who, almost revealing himself as a burglar, identified himself as a "bur—a hobbit", which they mistook for a "burrahobbit". Eventually all of the dwarves in Thorin's company came looking for Bilbo, and were waylaid by the trolls and put into sacks. The trolls then discussed ways to kill and eat the dwarves, untilGandalf came and mimicked the Trolls' voices, starting a fight amongst them. He kept them arguing about how to cook the dwarves until dawn came, and the Sun turned them into stone before they could get to cover. Afterward, Thorin and Company found and explored Tom, Bert, and William's cave.