Rook Plug (Resident Evil 2 Remake)

The head of this chess-themed plug is shaped like a rook.

Image of Rook Plug
An electronic plug fashioned in the shape of a Rook chess piece.

This is one of six chess-themed plugs found in the Sewers. You need to arrange them all on the plug terminals near the southern locked door in the Monitor Room in order to unlock it, allowing you to access the U-Area.