Is it OK to walk barefoot on a treadmill?

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Tags

1. #slipping
2. #walking
3. #barefoot
4. #simply
5. #treadmill
6. #short
7. #would
8. #while
9. #comfortable
10. #sweat
11. #after
12. #start
13. #downside
14. #might
15. #wearing
16. #sneakers
17. #treadmills
18. #cause
19. #there