White Sage, (Salvia apiana) is prized for its strong medicinal and aromatic properties. Sage has been used by many cultures for thousands of years for cleansing and purification of both individuals and spaces. White Sage wands are used for purifying the atmosphere, dispersing negativity and protection. Ritual burning puts out a lot of soothing smoke.
Refreshing, relaxing and clearing the smoke traveling through the air. 
To burn a sage wand, light one of the ends, then gently blow it out and either wave the smoke in the air or place it in a fire/heat resistant container.