Grav Labs introduces the Glass Blunt.  Awesome carry piece glass blunt from Grav Lab.  This convenient size glass blunt comes in at approximately 4".The GravBlunt is a glass piece with a sliding glass tube inside.  You can load it with the amount of material you would use in a normal blunt.  The Glass Blunt can also be used to vaporize your material, by packing it to half full, and using the flame under the glass instead of letting it inside the open end.