#OnThisDay in 1964 #BlackHand debuted in #GreenLantern #comics #29 #WilliamHand #BlackSheep of #TheHandFamilyOfCoastville w help of #storyArtist #GilKane explainsToReadersHowHeCreated #aDeviceToCollectGreenLanternsPowerRingEnergy to dispatch #HalfOfHalJordan toAnotherDimension 2008 #BlackLanterns 👑