Answer: watchwhatyousay

AnswerCrossword Clue
WATCHWHATYOUSAY

Lipreaders do it

WATCHWHATYOUSAY

"Don't be a blabbermouth ..."

WATCHWHATYOUSAY

"No rude remarks!"

WATCHWHATYOUSAY
Be careful in talking
WATCHWHATYOUSAY
Lip readers do this
WATCHWHATYOUSAYWhat lip readers do