Tales of Folk Taboos

The butcher doesn't kill pigs with five fingers. The village guardian doesn't guard villages with temples. The feng shui master doesn't point to evil dragon treasure lands. The midwife's hands must be washed with rooster blood. There are three hundred and sixty professions in the world, each with its own rules. Are these ancient and mysterious rules merely formalities? What if I told you that some rules are unbreakable, and breaking them leads to death, would you believe it?