That was a blast from the past http://www.cbs.com/shows/macgyver/season/7/ and i.ebayimg.com/00/s/MTE2OVg2OTc=/z/kIQAAOSw7NNUAkHS/$_1.JPG?set_id=8800005007F hotrod, How many parts are in your homemade device? Well done, by the way..