https://medium.com/illumination/why-you-always-want-to-listen-8361e79f97d0?sk=91377c2c6032bfe6d60c95b9d43924e3
"In a calm voice, say “disrespect” and quit talking until they give you their full attention. If they seem confused, good!"
This is too good. This will create the necessary impact. @Bill Abbate