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-cardThis 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-walletJeanette Isabelle
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"I have no quarrel with you, good sir knight, but I must cross this bridge." Arthur, Monty Python and the Holy Grail