most important of four patterns of solicitation for grooming in bonobos of Wamba. See video. solicit grooming turn Signal requesting partner to take turn in social grooming: stop grooming and release partners body, stop grooming and scratch or groom self, stop grooming and present back or other body-part to partner. Bonobos show similar behavior. See video. solicit play Invite another to play. Includes: approach with play face, flee, extend hand, hit lightly, hit and run, hold object in mouth, lie supine, lie prone, slap in invitation, stamp in invitation, somersault, play face, play walk, throw branch, tickle, tilt head, watch, and many others. Includes Goodalls Try play: Unsuccessful attempt to initiate play with another and Hayakis Paraplay. Bonobos invite play by approach with play face, hit lightly or