In the beginning of this clip Hillary is using witchcraft with her hands. While projecting on to Trump what she is doing, she names the ugly things on one hand, forms it into a package, using both hands, then offers it repeatedly to the interviewer. The interviewer gives a slight affirmative.

The clip then cuts to a later part of the interview in which she takes the hand on which she listed ugly things and forms a cup. With her other hand she dips them out one by one and spreads them over the audience. The interviewer is now nodding in total agreement. Sowing the seeds of discontent. Notice where the interview is taking place.

In other interviews, she notably keeps her hands very still and/or tucked away