IMAGE shows different type of oils used for aromas during yoga. Using essential oils during meditation helps calm your mind, refocus your energy, and promote healthy, positive contemplation. This pin is from organic aromas which is not that reputable
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.