Oh yeah, that's right.

I like to do that with tape grass, or reed blades. I can really get a good screech or two out before the durn thing shreds.

Anyone else try this? I bet a skilled person can squawk well over 100 db out of one.
_________________________
The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)