Like this one? https://www.youtube.com/watch?v=DB6ywr9fngU#t=4m23s https://www.youtube.com/watch?v=DB6ywr9fngU#t=4m23s Additionally to posing as an authority

Like this one? https://www.youtube.com/watch?v=DB6ywr9fngU#t=4m23s https://www.youtube.com/watch?v=DB6ywr9fngU#t=4m23s Additionally to posing as an authority and creating some pressure, they also seem to add a general awkwardness to the conversation that may make the user want to get it over with.