authentic peruvian palo santo, or holy wood. use palo santo to clear negative energies from your space. hold at an angle pointing down. ignite the tip long enough to see it catch embers. blow to allow smoke to produce - use this time directing around the body and in spaces that need energetic cleansing. 
open window to allow for unwanted energy to escape. 
to extinguish - put in fireproof bowl and snuff. do not leave unattended or near flammable objects.