Filipe Messeder delves into his role as sound designer and sound effects editor on the no.1 box office horror film, Weapons, the new movie from Barbarian director and writer Zach Cregger. He discusses how he terrorised audiences with his sound design in Dolby Atmos, reveals his favourite sonic moments in some key scenes (including *that* ending) and he explains how he developed a device nicknamed ‘the Rumbler’ for the film’s unsettling soundscape.