This is the answer to your question please
Answer:
When the play or film takes place in a time before zippers were invented
Explanation:
If the play is in a historical settings, zippers were probably not invented. So if you had a zipper on your costume it wouldn't make sense.
Hope this helps!
<span>The Late Classical Greek art period saw a new, detailed characterization of figures in the visual arts.</span>
Let me add a quote to your collection
What happens now is considered the past by tomorrow, look forward not backward or what happened yesterday and the days before will devour you.
Early Renaissance is the era I think