wild chimpanzees. handicap self Older individual inhibits rough acts and shows gentle restraint in social play, especially with youngsters, e.g. lie supine, lie prone, somersault, flee, fall over backward, etc. See video. handwrestle See wrestle with fingers. H hang Suspended freely by one or both hands from tree branch. Neither foot touches substrate. Kanos Suspend in bonobos. See video. hang and spin Hang from horizontal branch with one hand, and revolve repeatedly. Small infants and show as solo play. Sometimes, hanging immature plays with, or solicits play from, individual resting on ground. See video. hang and stamp Hang by one or both hands from large bough and stamp on ground in solo or social play. May repeat bouncing up and down like trampoline. Infants, juveniles and adolescents enjoy