guitar picks or plectrums come in a myriad of sizes and can be made from a wide variety of materials, ranging from plastic to metal, or for the less conscious, it could even be stamped out of your old credit cards (kind of thick, but it will do) if you want to. but one that’s carved out of volcanic rock? well, that has to be the first. the product name, Obsidian Arrowhead Guitar Pick, pretty much tells the whole story: it is crafted from obsidian, a glass-like rock formed as a result of rapidly cooling volcanic lava, and handcrafted into the shape of an arrowhead that is said to offer superior grip and lends a unique sound to your strumming. created by jewelry designer and craftsman, Seth Maranuk who is completely obsessed in turning stones into jewelry, guitar picks and among the many other things, the Obsidian Arrowhead Guitar Pick literally brings new meaning to rocking your music. well, now if only there is a matching electric guitar made out of obsidian rock too… anywho, the Obsidian Arrowhead Guitar Pick can be yours to own for 20 bucks, exclusively from Uncommon Goods.