I have a clarinet and a recorder, both made of wood. The clarinet is five and the recorder 25 years old.
I just learned that I should oil from David Pino's "The Clarinet and Clarinet Playing". However, further research has led to often contradictory information about the type of oil (eg mineral vs nut), the frequency, and whether or not oiling is even necessary (Pino says 1/yr for a student, others say it is not needed at all for the first 10 years). Still others say oiling is needed more in climates that are either too dry or too humid. Most confounding, the manufacturer of my clarinet says that oil shoul not be used under any circumstance.
Is there a "correct" answer, or more specific guidelines?