Nakaya Decapod Writer Aka-tamenuri TWThe Decapod Writer TW involves amazing topology. Not only does this pen have ten facets running from end to end the cap and barrel twist from one to the other. As well, the Aka tamenuri surface reveals the planes and edges in smooth layers of under painting and semi transparent over color. The Nakaya Decapod Writer Aka tamenuri TW is one of the most distinctive design and finish combinations offered by Nakaya. This is a pen like nothing else available