Didn’t they have a “cone of silence” on the old Get Smart TV show? Except that when Maxwell Smart and his boss went under it to talk, they ended up shouting at each other because they couldn’t hear what the other was saying.
“...they ended up shouting at each other because they couldn’t hear what the other was saying.”
Yea, the damn thing never worked right. Other times the ‘stop’ function didn’t work, and it crushed their desk.
But what the heck, it was a low-budget TV show.