Hey guys so i like to research alot about smoking and find out the reasons behind the glass we use and whats the best way to do what we all do. So i just wanted to let you all know why oil rigs are Micro oil rigs if anyone wants to know. Oh and i milk a Phire Legacy Inverted Circ real fat. https://www.youtube.com/watch?v=GT6T_dWtTAA