Видео с ютуба Waterpipe With Downstem

Why I LOVE & HATE Downstems....

How to measure and size a glass downstem and glass joint fitting.

How To Use Glass Downstems

DOWNSTEM SIZING GUIDE

How to measure for a downstem for your dab rig or water pipe

Bong Downstems in Slow Motion (Tube vs. Holes vs. Slots vs. Showerhead Perc) Test / Comparison