If you’re ever worried about your freedom of speech being denied then simply put a bit of tape over your mouth.
Told to wait until AOB in a board meeting? Put a bit of tape over your mouth.
Landlord calls last orders whilst you’re in the middle of a rant to a bemused local? Put a bit of tape over your mouth.
Trying to talk to someone in a noisy location and they can’t hear you properly? Put a bit of tape over your mouth.