We don’t have a Kessler Cineslider ($1195) and a Revolution Head ($1895), but we have laptops ($free) and toilet paper ($free) and table ($free) to make a slider for your cutaway interview: ball up four 4-inch pieces of toilet paper, put one under each corner of your laptop, and slide away. S L O W L Y. Maybe with a push stick.
Good (unembeddable) slider short is here.
Understanding Film 