Making Cane Drone Reeds Work
If these did not strike in, or if they stopped sounding under pressure, you had to know how to coax them into life.
According to the notes I made during an in-depth lesson on this topic at the RSPBA summer school in July 1987, below are some of the things you had to know to get the most out of your cane drone reeds.
Move the bridle down, making the vibrating tongue longer (which also caused the pitch to decrease),
Lift the tongue
place a hair under the tongue near the bridle.