This video describes the sequence of chords and 3 holding patterns of chords and how by relating the sequence of chords and those patterns any one can hold all the main chords in all 3 octaves in guitar without memorizing all the chords. This is very useful video for the beginners who are learning how to hold chords. Thanks. Here is the link to the video:

https://youtu.be/hkz6f93EmFY