“…Consequently, whether we are dealing with Samoan tattoos, the Abelam's decorated yams (Coupaye, , 2013, the Owa's sacred objects (Revolon, 2006(Revolon, , 2012 or the drums of the Ankave-Anga (Lemonnier, 2004(Lemonnier, , 2012, the ritual's materiality, that is to say the elementary actions on matter, the substances, tools, context of production, sounds and smells, as well as the representations linked to all these elements, is essential in the understanding of how certain artefacts acquire their power, their 'visual saliency' (in Gell's sense), their ritual efficacy.…”