The preacher walked down the sawdust trail to share his message.
sawdust trail
idiomThe route followed by an itinerant Christian preacher in the United States.
Origin
disputed originProbably an allusion to the sawdust which covered the floors of the tents in which religious revival meetings were often held.
Many people gathered in the tent to hear the evangelist who followed the sawdust trail across the country.
The traveling revivalist spent his entire life following the sawdust trail, bringing his message of faith to small towns throughout the American frontier.