Chamber of Horrors, 1sh 1966

Chamber of Horrors, the 1966 Hy Averback horror thriller ("The unspeakable vengeance of the crazed 'Baltimore Strangler.'"; "The year's most startling entertainment innovation!"; "A film with many scenes so terrifying, a built-in audio-visual warning system has been devised."; "The Fear Flasher: At the start of certain scenes that many may consider too shocking, a red light will begin its signal on the screen to alert you to the terror ahead."