This episode, Keith has a conversation with Gus Butler, record collector, teacher and author of the article "Buzzsaw: An oral history of the HM-2 pedal" on Cvlt Nation. The HM-2 has become shorthand for a specific subgenre of extreme metal and refers to the edgy guitar tone the pedal creates.Keith and Gus discuss the pedal's role in extreme metal (past and present) and the boutique-made clones available today, as well as record collecting and a few other topics as well.Here is a link to the article:http://www.cvltnation.com/buzzsaw-an-oral-history-of-the-hm-2-pedal/