POT TV - RooR founder Martin Birzle interviewed by Cannabis Culture editor Jeremiah Vandermeer at the 3rd-Annual Treating Yourself Expo in Toronto (May 25 - May 27, 2012). Birzle shows off the Ray Hammer #1, talks about the history of RooR and the damage caused to the industry by counterfeit bong makers. See more articles and videos about the Treating Yourself Expo.