Best Pull-ups for BACK SIZE (Demon Back Bodybuilding Exercises)

Level up your back: https://www.youtube.com/watch?v=dVssxcEh1UQ&t=5s
Best forearms exercises: https://www.youtube.com/watch?v=iaNBZcYLMkY&t=13s
How to do pull-ups for bodybuilding: https://www.youtube.com/watch?v=uyTgjl3miAE&t=574s