The top part of a plastic jar could be expandable/collapsible maybe. Thinking of... | Hacker News

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close04 on May 18, 2024 | parent | context | favorite | on: Show HN: Peanut Butter Spinner

The top part of a plastic jar could be expandable/collapsible maybe. Thinking of something similar to the bendy bit in a plastic straw.

brirec on May 19, 2024 [–]

That (the designing & manufacturing, anyway) sounds like it would be even more expensive than simply shipping larger jars with empty space at the top.

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