Take your standard 74HC04 IC chip. Bend in pins 2-13, solder them together if you like. Onto pins 1 and 14, solder on a small (1/8 - 1/4") metal ring, like a split ring for jewelry making. Run a string or black necklace cord through the rings, or even clip on some alligator-clip leads, and *poof* you have your very own Hex Inverter! Wear it to
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