One of the concerns of the animators is linking the members of the character together. This helps the animator to better control the character. As such, when the hands are linked to the head and then back to the chest. In these cases, there might be an unwanted jump that we corrected with the script.
Face control is one of the most difficult parts of character animation. And it is necessary to create proper controls for the character so that the animator is comfortable. This technique is also used in studios like Pixar and Disney. This technique is that the surface of the character itself becomes controllable.
This was one of my first tasks and I was learning rigging. I would love to have a character that is completely flexible. That face could be deformed. I was fine. And I succeeded in having a great experience