The Hancept Zero Mk2 is a 2-mm-thick contraption that can slip into a credit card slot, and magically fold into a hexagonal pen in a snap. Made from aluminum and stainless steel, it's designed for ...

Made from aluminum and stainless steel, it starts out completely flat and barely thicker than two credit cards, but rolls and fold into a hexagonal emergency ballpoint pen. You can pre-order it ...