Candle light wards might also be another thing. I can see Tsava Leko having wards based on candles around their caravan. Though I think his own wards where originally dolls that he used to focus elemental powers into.
A great reference to keep hanging by your altar space, the Smudging Prayer poster offers you words to speak during your smudging ritual, when the sacred smoke will help carry your prayers. Poster is printed on by parchment.