Are survival cards, such as the following, any good? The following appears to have a better design than some of the others I have seen, though there may be better.

https://www.ultimatesurvival.us/collections/tiny-survival-gear-1/products/tiny-survival-card

This company also has what seems like an interesting product, a tiny knife sharpener. Does anyone know if it is any good?

https://www.ultimatesurvival.us/collecti...-fits-in-wallet

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday