which might you restitch? a hem that has come undone a skirt you want to decorate

which might you restitch? a hem that has come undone a skirt you want to decorate
Answer
Brief Explanations:
Restitching is done to fix something that has come apart. A hem that has come undone needs restitching. Decorating a skirt doesn't necessarily involve restitching.
Answer:
a hem that has come undone