The document analyzes conventions used across the trailers for five horror films in the supernatural/possession genre: The Possession, The Conjuring, The Devil Inside, Mama, and The Orphan. It finds that all five trailers employ typical horror conventions like ominous music, dark lighting, horrific imagery, and a narrative structure involving an disruption to normality. Specifically, the trailers make heavy use of close-ups, changes in eye/iris color to signify possession, unnerving sounds, and text straps to build intrigue and scare audiences. Overall, the document concludes the trailers successfully promote their films and appeal to fans of the supernatural/possession subgenre through shared conventions.