I've been working on an ivory duck call. Today I made the sound board from an elephant ivory pen blank.

The red sound board parts are what I want to make in elephant ivory.

Drill air channel on lathe.

Turn down to half inch diameter.

Test fit in jig.

Sound board in jig.

Sand wedge on one inch belt sander.

Sound board installed with bronze phosphor metal reed. Very ducky.

Good fit.

Finished call.

Duck call sound board and predator call sound board.