What are these bumps on the top of a pull-tab can?

Article URL: https://old.reddit.com/r/whatisthisthing/comments/1i5ztq4/comment/m8a7m8m/ Comments URL: https://news.ycombinator.com/item?id=42788455 Points: 153 # Comments: 13

Jan 22, 2025 - 09:47
 0

Article URL: https://old.reddit.com/r/whatisthisthing/comments/1i5ztq4/comment/m8a7m8m/

Comments URL: https://news.ycombinator.com/item?id=42788455

Points: 153

# Comments: 13

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