Here’s the link to my video essay in which I analyze the significance of the three witches within Shakespeare’s “Macbeth”, along with analyzing the impact of the number three within the play and within witchcraft: https://www.youtube.com/watch?v=t49RlhELZNU
The Three Witches of “Macbeth”: Analyzing the Significance of the Number Three in “Macbeth”, Witchcraft, and Covens.
Sprockets and Springes 