Hello Marcello, you can find the reverso 3 video here : http://www.dailymotion.com/video/x4y2vd_reverso3-the-ultimate-belay-rapp... for the first generation of reversos the video is here : http://www.dailymotion.com/video/k6KEg4P5JGSmiCyGUT#from=embed Don't forget to dowload (in pdf) the technical notice of your product : http://www.petzl.com/us/outdoor/belay-devices-0/reverso-3 Thank you for your interest and climb safe