The "layering" technique is right on target except...
Part of the complete smoking process, in my experience, includes placing the (closed) smoker into an oven and baking/roasting as the final stage.
However, the video is a great starting point for those who wish to try stovetop smoking.
Right. I wasn't sure why she took the chicken out of the pan and put on another pan to finish cooking. You would Have thought she would just move it to the oven to finish the way it was.