This in a locked box outside on the wall of the water closet. Use the axe, hammer, knife, or sickle to break the glass. The Flare Gun has only three shots and is ideal for catching either enemies on fire. It's useful to add that the centre of the map is indicated by the bell in between the Kitchen and Cabin A. The killers will run the whichever side of the water is closer so be sure to not let them run past you as the player will catch on fire.