I remember that exact same add in an old high times mag from the 70s.i mean they're cool for the novelty aspect and I hate breaking glass.but those get so dirty so quick that I wouldnt want to smoke really good weed out of it cause it's gonna taste like shit.that I promise you.i used to be a glass snob.now I could care less.the last thing I smoked out of was a beer can.but if you really want a good bong that's gonna last get a 9mm Wich is coincidentally named US Tubes.best deal that I've known about for 9mm thick glass.but I've been out of the scene for a while