 Seven different masks were created by Carlo Rambaldi (qv), and  molded by Rick Baker (I) (qv) to convey various emotions. Separate  masks were necessary as there were too many cables and mechanics  required for all the expressions to fit in one single mask. The  masks were comprised of a plastic skull over which were placed  artificial muscle groups activated by cables which entered the  costume through Kongs feet, with the outer latex skins molded by  Baker were placed over the top. The masks used hydraulics to provide  movement, so much like the mechanical Kong and hands, the facial  expressions were controlled by the team of operators working off