The Question and Answer section for The Lord of the Rings: The Two Towers is a great resource to ask questions, find answers, and discuss the novel.
When the orcs are distracted, Pippin cuts the cord around his wrist with one of the dead orcs' knives. Pipin is able to provide a trail for Aragon to follow while he is being taken away.
The wall will be strong to withhold the onslaught of Orks.
Theoden wonders if Helms Deep could withstand a huge attack.
“Had I known that the strength of Isengard was grown so great, maybe I should not so rashly have ridden forth to meet it, for all the arts of Gandalf. His counsel seems not now so good...