[Harp-L] cornball harp, but what kind of harp or harp device?

["John Kerkhoven" <solo_danswer@xxxxxxxxxxxx>]

An old, cornball harp-comedy clip where the actors are certainly not playing
the music.

But what are the two guys on the outside playing (or pretending to play)?
Are these harmonicas with some sort of attachment to project the sound?


http://www.youtube.com/watch?v=xS5cQSZn8mQ

John
Montreal