Why do pants have zippers?

Related questions

1. Why do girls pant have zips?
2. Why do you need a subdomain?
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4. Why do they call a pants zipper a fly?
5. What are the zippers on sweatpants for?
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Tags

1. #worker
2. #started
3. #those
4. #wearing
5. #statement
6. #added
7. #borrow
8. #jeans
9. #themselves
10. #became
11. #relieve
12. #zipper
13. #allowing
14. #labour
15. #brother
16. #purpose
17. #fashion
18. #originally
19. #women
20. #fashionable
21. #girls
22. #housework