I also have never seen it. Some of us are new, and have not been that into car audio that deep. We have not spent hours in this forum, ect... I am on a couple Diesel Forums, and an Harley Davidson forum, on that forum the "Vids" make their rounds every so many months, a "Newb" sees one somewhere else and wants to share it with the other HD members. So it would seem this is something that happens on most forums, nothing wrong with it,,, if you have seen it before, so be it. Several on here have not...
Thanks for the link Thumper! Pretty crazy, that it would rip the roof, before it broke glass though I think!