When I share this idea with others, I add that the best non-problem time and place is date to a restaurant so there is no temptation for arguing because it would be embarrassing. For sure this applies to couples as well.
One time, our oldest daughter was throwing around a lot of sassy comments and back talking. Since we knew about the No Talking Rule, Sam and I put some duct tape across her bedroom doorway with a bible verse:
"Proverbs 21:23 23Those who guard their mouths and their tongues keep themselves from calamity.”
Today’s parenting can take advantage of “text messaging”. The secondary skill to acquire is: appropriate reactions when one’s emotional temperature is rising.