Bust A Cap, a rapid entry tool from Bust A Cap Inc., attaches to flashlights and batons to provide a tactical advantage when it comes to breaking glass. Designed by a 13-year veteran of one of the largest sheriff's departments in the country, this device is utilized by law enforcement, fire departments, government agencies, private security companies and civilians around the world, to gain a safe tactical entry or exit out of an automobile, house, boat or plane. Manufactured in the United States.