what IS this?

[IndySmoker]

Have you guys seen this? How does work? Does it work? It's crazy.
http://vikingclubpipes.bigcartel.com/product/windy-perpetual-dry-smoker-estate-pipe-unique-and-unuaual-made-in-italy

 

[gravel]

Here is a recent thread about the Windy Perpetual Drysmoker that has a very good answer: https://www.brothersofbriar.com/t19361-the-windy-perpetual-drysmoker