This is a clapperboard that attempts to use two flashlights and sunlight as the third light source for triangular ring shooting with flashlights. The clapperboard elaborately describes the process of handling various technical aspects and issues in the photo shoot. It conveys both the joy of successful shooting and discusses the techniques that need improvement for future shoots. This shooting clapperboard also records the lighting setup and shooting scenes in photographic form, for readers of Flashlight Knowledge to contemplate while reading.