To use powdered incense, fill the "track" or groove with your choice of incense powder, tamp it down lightly (tamp included) brush off excess powder, light one end, and enjoy its wonderful aroma! The incense powder will burn slowly around the track. These incense powders and incense burners are from Azenta Products and they are absolutely wonderful! The incense burners shown below are filled with Azenta brand incense powder to enhance the burner designs. Each Azenta incense burner is made of cast stone and is fireproof. Each burner includes: 1 incense burner, 1 powder tamp, and 1 brush to clean the burner.