Which countries require TSA locks?

Related questions

1. What is the ideal luggage size?
2. Can I carry my wallet through airport security?
3. What can you put in your luggage?
4. How much baggage is allowed on international flights Lufthansa?
5. What do airport scanners see?
6. Is it necessary to lock checked luggage?
7. How many luggage can I take on international flight?
8. Can I bring one carry on and backpack?
9. Should you label your luggage?
10. Do I need luggage tag for carry on?

Tags

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6. #canada
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12. #items
13. #switzerland
14. #czech
15. #japan
16. #airports
17. #austria
18. #tools
19. #allow
20. #travelling
21. #republic
22. #countries
23. #across
24. #korea
25. #israel
26. #germany
27. #belgium
28. #other
29. #norway