On occasion, the company I currently work for does installation work. Thus, I am always keeping my eyes open for new equipment and tools to make that job easier. The cable comb seems like it is just such a thing:
Instructional video from youtube:
Then there is this:
Which is simply amazing. It is described as “1320 Category 6 cables, dressed and terminated.”
Incidentally, there is an entire subreddit: reddit.com/r/cableporn for all those cable geeks that like to look at neat cabling work.