Easily attachable to your existing flashlight or baton, the Bust A is a rapid entry tool that was designed by a 13-year veteran of one of the largest Sheriff's Departments in the United States. This glass breaking cap is being utilized by law enforcement, fire departments, government agencies, private security forces, and civilians around the world, giving them a tactical and safe entry or exit out of an automobile, house, boat, or plane. Bust A Cap upgrades are proudly manufactured in the United States and made from special steel. The simple but efective attachment applies in less than a minute, and requires no training. Bust A Cap can save your life and the lives of others.