It turns NO! NO! NO! into MMM MMM MMM
Turn on their windshield vipers.
A baby chewing on a razor blade.
I've never had a garbanzo bean in my mouth.
It's counterproductive
Air.
Bang it with a drum-thtick!
It turns no no no into mm mm mmmm.
It can turn "No, no no!" into "mmph, mmmph, mmmph"