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

[Hunternora]

I don't really understand the idea of the carb on pipes and the such... Do they make a difference if covered or not?

Hunternora Reviewed by Hunternora on 01-12-2007. 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