Black Leaf Round Bottom Banger QuartzFlat top banger from BLACK LEAF made of very heat resistant quartz glass. This banger has a higher tip in the middle on which you dab the extract. During vaporization, a spinning effect is created in which the extract is completely vaporized. No loss of extract Spinning effect for optimal evaporation Intense flavor experience The spinning effect of the banger is further enhanced when a dab marble is used instead of a classic carb cap. This is how you