The cords about his wrists chafed and hurt with each movement.

The metal wash-stand gave him an inspiration; its upper strip was thin, and somewhat jagged along the edge; possibly it might be utilized to sever the strands.

It was better to try the experiment than remain thus helplessly bound.

With hands free he could at least defend himself.
He made the effort, doubtfully at first, but hope came as the sharp edge began to tear at the rope.

It was slow work, awkward, requiring all the strength of his arms, yet he felt sure of progress.