# Row of little bumps on bottom of glass bottles/jars

**URL:** <https://boards.straightdope.com/t/row-of-little-bumps-on-bottom-of-glass-bottles-jars/304687>\
**Category:** Factual Questions\
**Created:** [May 20, 2005, 2:43am UTC](https://boards.straightdope.com/t/row-of-little-bumps-on-bottom-of-glass-bottles-jars/304687 "2005-05-20T02:43:41Z")\
**Posts on this page:** 3\
**Page:** 3

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**Author:** ![Leo\_Bloom](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leo_bloom/32/10377_2.png) [@Leo\_Bloom](https://boards.straightdope.com/u/Leo_Bloom)\
**Post date:** [June 14, 2016, 8:19pm UTC](https://boards.straightdope.com/t/row-of-little-bumps-on-bottom-of-glass-bottles-jars/304687/41 "2016-06-14T20:19:00Z")

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Speaking of mold…

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**Author:** ![panache45](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/panache45/32/64_2.png) [@panache45](https://boards.straightdope.com/u/panache45)\
**Post date:** [June 15, 2016, 12:43am UTC](https://boards.straightdope.com/t/row-of-little-bumps-on-bottom-of-glass-bottles-jars/304687/42 "2016-06-15T00:43:07Z")

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Aren’t spotting lugs and knurlings part of a British breakfast?

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**Author:** ![Ethilrist](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ethilrist/32/4604_2.png) [@Ethilrist](https://boards.straightdope.com/u/Ethilrist)\
**Post date:** [June 15, 2016, 1:05am UTC](https://boards.straightdope.com/t/row-of-little-bumps-on-bottom-of-glass-bottles-jars/304687/43 "2016-06-15T01:05:33Z")

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> [@Machine\_Elf](#):
>
> Pretty sure whatever was in those jars has expired by now…

It says “_Best_ before…”

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