This video by Jim Wagner is about using a tactical light (flashlight or torch) to gain a tactical advantage.
SUBJECT: Using a tactical flashlight (torch)
PURPOSE: Using a bright light for a tactical advantage
NUMBER: 6.01 Psycho-physical distraction
SECTION: 8 Room Entry & Building Searches
COURSE: Handgun Survival
LEVEL: 2
SYSTEM: Jim Wagner Reality-Based Personal Protection