Abstract: A trap system for use inside establishments such as banks and other commercial establishments to deter and catch robbers. The system makes use of an anti-bullet, armored cabin or cage having therein an actuation button on the floor for a guard situated therein to activate the closing of the entrance door of the establishment and to activate an alarm in case of a robbery. Like buttons are also placed on floors inside one or more cashiers windows for triggering the alarm and closing the door when pressed.