Do not inmmediately blow out the flame, after burning enough for about 4 to 6 seconds, blow out the flame and place it in the backflow incenses burners.as long as there is no wind in room, which the will have a backflow effect, the smaller the wind, the more obvious the refluxes effect (notice: do not use continuiusly.because the high temperature of the hole after using will affect the bakflow effect Multifuction, use our incenses burners together with incenses cones which has a rich aromas and a long fragrances, helps to purifies the air, meditates and relax, relieve stress and improves sleep qualities Wonderful gift, this ceramics backflow incenses burners with unique product appearance, practical functions, it is a for thanksgiving, birthday, mother day make from ceramics materials,, home decorations it is suitable for family, teahouses,, yogas Designs, waterfall unique, beautiful