Backflow incense burner dragon in pool detailed backflow incense burner is specially designed to create smoke that cascades downwards, pouring dramatically down the tower with a stunning effect. once you have lit your incense cone, it will begin to smoke, the incense is heavier than air and it will fall dramatically in swirls and twists, through the hole and down over the item, to pool at the bottom. it is incredible to watch and very relaxing. enter the realm of ancient legends with the dragon in pool backflow incense burner. this mystical creation features a dragon coiled around a tranquil pool. as the incense cone burns, the dragon appears to breathe out fragrant smoke, adding an air of mysticism and power to your space. please note: in order to create the smoke cascade effect you will need to use backflow incense cones.