Pipes have been used to smoke all types of substances around the world for thousands of years. In the Middle East people have smoked hashish since around 1500 BC.
MAZE Pipe - Revolutionary coughless & smooth hitting pot pipe
Freeze Pipe Reviews and FAQs – The Freeze Pipe
Why don't people smoke weed with a regular old tobacco pipe? Do those old pipes just work too differently? - Quora
Genius Pipe Portable Smoking System / $ 89.99 at 420 Science
Why don't people smoke weed with a regular old tobacco pipe? Do those old pipes just work too differently? - Quora
Freeze Pipe Reviews and FAQs – The Freeze Pipe
Can You Smoke Weed Out of a Tobacco Pipe? – HØJ
How to Smoke Cannabis Out of an Old Tobacco Pipe
Can You Smoke Weed Out Of A Tobacco Pipe? - Zamnesia Blog
Can You Smoke Weed Out of a Tobacco Pipe? A Comprehensive Guide
Can You Use a Tobacco Pipe For Weed? Find Out & Get High!
Can Tobacco Pipes be Used to Smoke Weed? – The Freeze Pipe
The Fumo Pipe