Poison rings were originally a sinister accessory with just enough room in the space beneath the jewel to hold a little arsenic to sprinkle over the king's lunch.
Now poison rings come in peace, but that doesn't mean these deadly accessories have to be purely decorative -- there is still a hiding place within them that's begging to be filled.
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Fortunately for you, they can be added to your jewelry collection, thanks to sites like Etsy. Here are some modern-day uses
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