Bong Bowls, also known as slides, comes in 10mm, 14 mm, and 18mm and can be either male or female. Your bong bowls holds your tobacco or herb within the joint or downstem of your water pipe or bong.
How to Use a Bong Bowl
Use a grinder to shred up your tobacco or herb and then fill up your bowl piece. Bowls for bongs are funnel-shaped so the heat and smoke are drawn down through a small hole in the bottom and then enters your bong. Once the material has been smoked, simply detach your bong bowl and clean the ash out for your next smoking sesh.