A few recent discussions here¹², both with a chunk of comments.<p>¹ <a href="https://news.ycombinator.com/item?id=30738185" rel="nofollow">https://news.ycombinator.com/item?id=30738185</a> - The jerrycan design goes back over 80 years<p>² <a href="https://news.ycombinator.com/item?id=29787251" rel="nofollow">https://news.ycombinator.com/item?id=29787251</a> - Wikipedia page