Pool posts 'C7' A C7 fork is a well known chess tactic. Where the knight checks the king and puts the rook in danger. A fork is when a piece attacks two pieces at the same time.
One of Pool's images from Pet Goat 2 shows a map of the USA, with "pins" added in the sites of three great disasters (Katrina-New Orleans, New York City, Oklahoma City https://vimeo.com/61439594