It is also possible to do your own cube cut
The potential is harder to see now, by a few orders of magnitude, but its there
The second most commonly used material is meerschaum
USE WITH CAUTION IF YOUR PATIENT: has/had heart disease, a heart attack, heart pain, irregular heartbeat or a stroke or have ever had high blood pressure, blood circulation problems or treatment for circulation disorders of the brain, asthma, chronic lung problems, thyroid problems, stomach problems, ulcers or inflammation of the esophagus, kidney or liver disease, history of epilepsy or seizures, diabetes requiring insulin or are taking any prescription medications
He was a former 100-a-day chain smoker and successfully quit smoking after 33 years
And it turns out that it was ALL JUST A SCAM