Depictions of flywhisks in rock art are quite common. They are important accessories for the trance dance in which they are used to keep arrows of sickness at bay.Paintings of them are a good indication of trance.
The Pastures I
Bushman beliefs suggest that bags had a special significance beyond everyday use. Their relation to trance metaphors is illustrated in San mythology, where parallels were drawn between getting into a skin bag and getting into an animal- that is, taking on its potency. Therefore, bags painted next to a dance or by themselves, are probably an indication of a trance experience.
The Pastures I