Is there a reason there is a carb on a glass pipe?

[JeenYuss]

i jus realized i posted 3 times on the same thread in a row... now im proud to go for FOUR i love being a stoner...

JeenYuss Reviewed by JeenYuss on 01-13-2007. 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