One of the arcane arts of telco is cable lacing with wax string. I’ve been given a crash course by Juston, and I managed to demonstrate on some test cables and ties that the CEO hasn’t lost his knack.
Here are a couple examples of some simple cable lacing used to manage a set of large cables. Yup, I tied these myself. The third image is a cable end itself, with an AMP Champ tool and the connector just after termination.