The narrator reflects on a peculiar experience involving a finger that has been on their mind. It seems to haunt their thoughts, suggesting a deeper significance that they can't shake off. This unsettling encounter stands out as an unusual and disturbing moment in their life, contributing to an already intimidating collection of fears.

The comment about the finger, despite potentially being unnecessary to mention, signifies a vivid and impactful memory. It symbolizes a new level of anxiety in the narrator's already complex psyche, adding to their list of unsettling experiences that lurk in their nightmares.