This puffer fish ring is an exercise in craftsmanship and style. While not really present in the Mediterranean diet, Fugu is considered in Japan and Korea a true delicacy mainly because of the inherent difficulty of its preparation. The elevated amount of tetrodoxin present in the fish organs is in fact extremely dangerous to humans, and a contaminated morsel could easily result in death from muscular paralysis and consequent asphyxiation. As far as this ring, the only danger that it poses is to your hand knit sweater.