How to animate cloth, e.g. a character is wearing a shirt and he is opening it and removing it. Similarly, a girl is dancing and giving a twist to her skirt by her hands at times in between. How to do such animation, involving cloth and a character.
Buttons and F1.
Here is a tutorial where they use cloth to make a chain mail for their character. He uses a contraint on the front curve instead of stitching it so it can be partially open. You may be able to do something similar to this by animating the Start and End Param to get the opening you want.