Power to the Patients (ep. 7) Making Cannabis Oil

This is not a full explanation of any particular technique, but you can find a popular "how to" on Rick Simpson's documentary Run From The Cure.

Regina V. Parker 2000: a landmark court case granting Canadians the right to use cannabis for medical purposes under the section 7 Charter rights.

Regina V. Smith 2015: a recent landmark case allowing Canadians the right to use medical cannabis in all forms not just smoked.