Back-roll the Cut-in Line

i'm going to just go back and back roll my cutting i'm going to try to get this as close to the ceiling as i can and then work my way down a little bit roll it out just like that and that's what back rolling your cut-ins is and that's what the term is referring to so i'm doing my cut in drawing it like a pencil like is like what i kind of like to say the analogy i like to use now i'm going to back roll this work it down work it out just like that so that's