The main function of the wooden mouth is to filter out the harmful substances in the cigarette. It has a protective effect and makes the smoke more pure. The pepperwood mouth has not been heard. The horny wooden mouth is relatively cool, it is a kind of medicine, and there is a rosewood mouth. After the ordinary wood is used, it is easy to crack due to the weather and the dampness of the rain, as well as the temperature. The stable wood is said to never break. The cigarette holder made of mahogany is very heat-resistant. When you ignite the tobacco, there is not only no smell, but the rosewood is not easily oxidized or faded.