the machines. The site features machines designed to bring women orgasms. Sarah Schaschek noted in Screening the Dark Side of Love that the majority of the film production crew members were female. Across its websites, Kink.com formed a values statement and set of guidelines for directors and performers, taking preventative measures against victimization. The site production staff developed a practice of interviewing performers both before and after the film sessions. Models appearing on Fucking Machines film shoots are instructed to be authentic and experience pleasure from the machines without acting. In 2007, Fucking Machines relocated with the other Kink.com sites to the San Francisco Armory. Film shoots take place in the basement of the Armory. Fucking Machines was featured at the 2007 AVN Adult Entertainment Expo in Las Vegas, Nevada, with a marketing tagline, "Sex at 350 rpm". They published a book that demonstrated inventions including "The Drilldo" and "The Double Crane". A device called the "Cunnilingus Machine", which incorporated rubber tongues on a moving chain apparatus, was featured in 2007 as part of the Adult Treasure Expo in Japan at the Makuhari Messe convention center. The Arse Elektronika sex and technology seminar, held in October 2007 in San Francisco, California, featured a robot from Fucking Machines called "Fuckzilla" in a live performance with one of the expo attendees. Kink.com signed a deal in 2007 with Pulse Distribution to sell material from Fucking Machines and its other sites to consumers in a DVD format. The first DVD distributed by the site in 2008 was titled Fucking Machines Volume 1 and featured 211 minutes of material with performers Aliana Love, Michah Moore, Lexi Love, and Sasha Grey. By 2009 the website included 50 devices in its films. A 2009 article in SF Weekly was critical of the California state government for directing tax revenue towards classes on film production which were attended by Fucking Machines video editors. This article, in turn, was criticized by TheSword.com and characterized as "prudishness" by SFist and the San Francisco Bay Guardian. The website asserts to its visitors that all performers engaged in sexual activities depicted in the videos appear of their own volition and feel bliss and gratification from the experience. The majority of new entrants to the adult film industry enjoyed their work with Fucking Machines because they discovered it was more socially acceptable to perform with a sexual device, rather than a human