The Midnight Minamoto RingThe Minamoto features beveled edges with cross cut brushed finish and offset inlay of Koa Wood protected by our waterproof Ring Armour. With very little maintenance this ring will keep its pristine appearance for years to come. Black Zirconium jewellery is extremely scratch resistant and the only metal that will stay permanently polished. What's with the name? For centuries, samurai were primarily archers, with 'Minamoto no Tametomo' being possibly