But one end stuck for an instant, and at once the log took on a dangerous slant.

Quick as light Bob and Mike sprang forward, gripped the hooks of the cant-hooks, like great thumbs and forefingers, and, while one held with all his power, the other gave a sharp twist upward.

The log straightened.

It was a master feat of power, and the knack of applying strength justly.
At the top of the little incline, the timber hovered for a second.
"One more!" sang out Jim to the driver.

He poised, stepped lightly up and over, and avoided by the safe hair's breadth being crushed when the log rolled.