_**Interesting and creepy psychodrama/horror involving a mannequin**_ In the Northeast, a doctor uses an anatomically correct medical dummy named Pin (short for Pinocchio) to teach his son & daughter about how the body works. Years later, when they’re adults, they maintain an attachment to the mannequin as the sister (Cynthia Preston) starts dating a guy (John Pyper-Ferguson), which interrupts her uneasy brother (David Hewlett) "Pin" (1988) is a slow burn Hitchcock-ian psychological drama/horror that mixes “Psycho” (1960), “Flowers in the Attic” (1987) and a little “Paper Man” (1971) with…