This video certainly has focus: just the cap, and specifically a pigtail cap. They are both beautiful, when you're done.
My own take on pigtail cigar heads is that they are the quick and easy way to finish a cigar, and are a technique that obviates a final cap. So, I suppose that I consider the methods shown in the video (and likely followed in some factories) to be a fanciful tribute to the heritage of a simpler approach, while maintaining a polished, cigar factory head. My pigtail heads are much uglier.
Bob