Boliw : objects which are mystical sources of power, portable altars used in ritual sacrifice. They are fashioned from a wide range of materials (wood, bark, stones, roots, hair, animal tails, claws, teeth, blood, human ingredients such as placenta, excrements and pieces of corpses).
Sacrifice : the boliw regularly receive blood from sacrifices in order to call upon and influence the life force known as Nyama.
Anthropologist : Jean Paul Colleyn (EHESS)
Field assistant : Mengoro Sanogo, Adaman Coulibaly