airflow..when the carb is covered airflow is restricted to go through the bowlhead allowing one to light the substance easier then releasing clears..why is there a slide on a bong and such
notransfer Reviewed by notransfer on . Is there a reason there is a carb on a glass pipe? I don't really understand the idea of the carb on pipes and the such... Do they make a difference if covered or not? Rating: 5