The document discusses conventions of horror movie trailers. It analyzes teaser trailers for The Ring and Sorority Row films. Typical conventions discussed include using quick cuts that don't provide context, dark lighting, changes in music/pace to build tension, and revealing the female lead through transitions but not giving details about the threat. The Sorority Row trailer introduces more characters but still builds mystery, while The Ring trailer focuses more on the mysterious threat. Both trailers effectively employ conventions to intrigue audiences without fully explaining the plots.