We've seen one-of-a-kind jewelry created to replicate a wearer's scar, as well as bracelets featuring a map of the New York City subway. Borrowing a bit of both concepts, Etsy designer triggerhappy offers two necklace designs that can be personalized to reflect the wearer's story. Triggerhappy's Narrative Cartography series features a tag made from recycled bits of silver and inscribed with the latitude and longitude coordinates of a location that's significant for the wearer. Not only that, but a secret password comes with each one-of-a-kind necklace, inviting the wearer to share the story behind the location on an interactive Google…