Tock-tchhh . . . . Tock-tchhh . . . . Tock-tchhh . . . .
He repeatedly tapped and scraped the wooden cell door, to the point of digging a trench with his slender finger, seeking the wandering attention of his keeper.
Tock-tchhh . . . . Tock-tchhh . . . . Tock-tchhh . . . .
The rhythmic sound was interrupted only by the deathly quiet, when he strained for the slightest sound of curiosity.