Early risers built businesses out of waking people up every morning by knocking or rapping on their bedroom windows. Some used long sticks resembling fishing poles. Some employed peashooters, blowing through a tube to pepper the windows with dried peas. Others used soft hammers or rattles.
Why did the author include this information?
To explain some different and creative ways human alarm clocks did their jobs
To show that human alarm clocks earned enough that they needed no other income source
To argue that working as a human alarm clock was a fun and easy way to earn money
To demonstrate the problems faced by human alarm clocks as they did their jobs