Possible Clues:

• Watch salesman meets consumer
• One who goes on watch
• One doing over salesman's leading consumer
• Watch this or it might strike one once more
• Gun agent joins someone having a meal
• I say, I say, I say, which gun fires several rounds without reloading?
• Watch while he gives an encore
• At this rate, the peer will go on strike whenever you want
• Burp gun?
• Signal amplifier