Index Card Cases, Wallets, Covers, Pouches, etc.
For my own index card practice and potentially for that of others who are interested or searching, I recently compiled a list of analog accessories out of a bunch of cards in my own zettelkasten. I'm sure I'm missing lots of interesting pieces, so I'm curious what others may be using that I haven't come across? For those who use index cards, what are you carrying when you're out and about?
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