Possible Clues:

• That sounds like a cellar
• A bicycle salesman, by the sound of him
• He was led astray in average Wordsworth work
• One selling first to Peter, Edward and Laurence
• Salesman making effort to improve image about crooked deal
• Overheard couple touring Donegal going from place to place selling items
• Hawker, one using a bike, we hear
• Hawker of wares
• One hawking their wares
• Itinerant vendor