Infant may walk quadrupedal under adult walking or standing, perhaps for amusement. Juvenile female, Imani, once passed through between legs of human. See video. pass with body contact Pass by another and make unnecessary body contact, apparently intentionally. Two young adult males and three juvenile females at Mahale did so to human observer in early 2000s. Significance unknown. Kanos Pass with body contact for bonobos. See video. P pat Plooij Pat. Goodall: Repeated brief contacts, with the palmar surface of the hand, on the body of another, usually on the head, back or hand. This is a reassurance gesture directed towards a submissive individual by a more dominant individual. It has a calming effect. Also directed to infants head or back. Shown in play by juvenile bonobos of