"Once clear of the danger, he took a fresh chew of tobacco and swung along at his four-mile gait...."See in text(To Build a Fire)
We can see how London uses the chewing tobacco as a motif to symbolize the man’s boldness and recklessness. As we have seen, the growing residue of frozen tobacco in his beard indicates the dropping temperatures. In this moment, he takes another chew of tobacco after conquering a momentary obstacle.
