Complex sentence: Ichi outfits himself in a rubber stuntman suit with shoes that have razors concealed in the heels, and after spying on a pimp brutalizing a prostitute kills first the pimp, then the girl.
Split into simpler sentences: Ichi outfits himself in a rubber stuntman suit with shoes that have razors concealed in the heels. After spying on a pimp brutalizing a prostitute, he first kills the pimp, then the girl.