According to the legend, the video starts with a low-frequency hum that causes physical discomfort. The visuals typically follow a specific, disturbing pattern:
: The first several minutes are grainy, black-and-white footage of a mundane location, like a hallway or a playground, but with a slight, "impossible" geometry.
: A figure eventually appears. In many versions, it is a person whose face is blurred or distorted, performing a repetitive, nonsensical task (like stacking teeth or folding a map of a city that doesn't exist).