Minute I heard it I thought naverlapp. It’s an instrument made out of birch bark and blown, probably in the same way the ivy leaf is.
Robot ArmI know glass harmonicas. You do need your hearing checked. 
Here’s a link to help you differentiate between the two.
I know a guy who does this racket with a piece of paper and a comb…
Aw, screw it.
I know what it is.
Its a BALOON!
Its “played” by pulling the…whatchamacallit orifice…tightly, thus
creating a variable reed.
Well, Astro , am I right?
Well umm… y-yeah you are correct Enola. It’s a ballon tugger, tugging his balloon for all he’s worth.
[sub]You might want to read the thread again[/sub]
I’ll have you know I did NOT cheat!
I RECOGNIZED that sound with my own two ears, thank you!