Chongz Glass Bucket Kit
The Chongz Glass Gravity Bong functions in exactly the same way as a regular homemade gravity bong. However, this Chongz piece is made from high quality thick glass and features rubber seals and a glass bowl piece, so it's a bit more high class.
To use, simply pack your herb in the slide, lighting it as you lift the cooler. All you have to do is remove the slide, then lower the cooler as you inhale the smoke through the stem, getting a massive hit as the cooler drops.