【How-to】Which hand did anakin lose

Star Wars: Episode III Revenge of the Sith: Anakin severs Dooku’s hands (Then he decapitates him) and Mace Windu’s hand, Yoda severs a clone trooper’s arm outside the Jedi Temple, Obi-Wan cuts off two of Grievous’ cybernetic hands and, during the Duel on Mustafar, Anakin’s legs and remaining (organic) arm.