Grenco Science Presents "Double G Series G Pen Herbal Vaporizer" starring Snoop Dogg

Snoop Dogg presents a "how-to" video to show you how to use your Snoop Dogg Double G Series Herbal tank G Pen.
Order your Double G Series G Pen Herbal Vaporizer @ http://gpen.com/snoopdogg/ or http://www.grencoscience.com/products/snoopdogg/
Further information @ http://www.snoopdogg.com/