Grav Labs Glycerin Coil

/

Glycerin coils are excellent add-ons to your bong. Just place the coil in the freezer for a bit before you smoke, and then attach it and pull slowly next time you light up a bowl for a cool and smooth hit.

The post Grav Labs Glycerin Coil appeared first on Stoner Toolbox.

For more click to continue on to https://www.stonertoolbox.com