“…Stanley Tambiah suggests that, in contrast to practice, which refers to invariant and formal elements of rituals, an instantiation of practice – that is, the actual performance of a ritual – is open to uncertainties, variations, and mistakes of enactment (: 115, 136). There are descriptions of faltered ritual routines (Husken ), inefficient magical acts (Luhrmann : 129‐53), failed prophecies (Festinger, Riecken & Schachter ; Kravel‐Tovi : 254), inconclusive healing séances (Lewis ), reluctance to publicly authenticate rituals (Chao ; McIntosh ; Wolf ), and failure of images to index the invisible reality (Suhr ). Semantic failure to generate meaning has been explored in ethnographies of Christianity (Engelke & Tomlinson ).…”