Last week i got my G-pen and i've been loving it. Last night i was at my friends house and i noticed that the g-pen could fit into my bong perfectly and when i tried it i got a nice bong rip of vaped oil. [ame="http://www.youtube.com/watch?v=n2MI7DLT5s0&feature=plcp"]G-pen bong rip - YouTube[/ame]