with object Goodall: Social object play. Social play that includes chasing individual who has object such as fruit, branch, stone, animal skin, etc. and simultaneously pulling object from opposing sides. At Mahale, youngster may also press leafy branch to playmate while wrestling. Ingmansons Tool use in play for bonobos. See video. See also video discard. play solo Goodall Self play. Mendoza-Granados and Sommers Solitary play. Play alone. Cf. play socially. See video. See also video enter hole. play start See solicit play with object in mouth. play walk Goodall: The chimp walks with a rounded-back, its head slightly bent down and pulled back between the shoulders while it takes small stilted steps. See also tilt head. Plooijs Play walk. Seen in bonobos. See videos. P play with another