Answer:
Ray Kroc is trying to sell a "multimixer", a type of mixer that mixes various milkshakes at the same time.
Explanation:
To complete this exercise, you have to watch the first scene from the movie "The founder" directed by John Lee Hancock in 2016 and based on a true story about McDonalds and the man behind it. The film stars Michael Keaton, Laura Dern, Nick Offerman and B. J. Novak .