usually followed by a sequence of aggressive interactions, and may escalate into fight. Grab occurs in aggression, grooming and play. Bonobos grab in same contexts. See video. grab and shake Grab anothers body part and repeatedly shake it. Threatening but also playful. Also, as solicitation of play. 7. See video. grapple Goodall: When two individuals go into a clinch with arms locked and heads bowed, and sometimes roll over and over. Individuals may be grasp 85 fighting or playing. Not uncommon when adult females fight one another. Bonobos do same. See video. grasp Grasp object such as branch to carry it or to support body. Infant may grasp mothers nipple during rest. See video. grasp and heave Grasp partners shoulders with both hands, fall on back, kick upwards