I have seen it and it makes sense Here it is: http://forum.grasscity.com/toking-tools/361599-new-revere-glass-slide-weed-glass-pics.html (I think)
Hahahha at first i was going to say be more specific. Just as I was gonna post i figured out what you meant
its covered in resin/epoxy if you could get to it you cant smoke it there made by a few people there are 3 of them by revere on @lt