Impress your friends, dazzle your enemies, and piss off your parents by sporting the legendary Blood Circus Iron Cross. Blood Circus high-quality wearable memoribilia is made of premium-weight 100% cotton for long-lasting pleasure, enjoyment, and satisfaction. Black 100% premium-weight Cotton with white logo. Blood Circus, formed in August of 1987, is an American band from Seattle who ushered in what is now known as Grunge and were emulated by many successful acts including Mudhoney and TAD.