Roger, after fixing it firmly, helped them over the battlements, holding Oswald by the collar, until he had a firm grasp of the rope in his hands, and obtained a hold with his feet.
"That is right, Jessie," he whispered, as the girl also took a firm hold of the rope.

"You are no weight, like that.

Now, let the rope pass gradually through your hands and, when I tell you, hold tight by one of the knots." After lowering himself forty feet, Oswald found that he was standing on a ledge of rock, three inches wide, at the foot of the wall.
"Now, dear, it will be more difficult," he said.

"You must use one of your hands, to push yourself off from any rugged points.

There are not many of them.