 Each Ripper had articulated ears and tails which were activated by remote control, and the background Rippers also had mechanical snouts which could be activated either by remote control or by the movement of the actors' mouths.Each Ripper's make-up took about four hours to apply.Three technicians from Winston's studio were required to work on each Ripper's articulations during filming; no puppets or digital effects were used for the Rippers.