Maybe if I can increase the tension just a little it will hurt him and he will jump, he thought. Now that it is daylight let him jump so that he’ll fill the sacks along his backbone with air and then he cannot go deep to die. He tried to increase the tension, but the line had been taut up to the very edge of the breaking point since he had hooked the fish and he felt the harshness as he leaned back to pull and knew he could put no more strain on it.