I was tired of looking for a non backwards one in the wild. And then figuring out what to do with my backwards one. So I did the Robo Samurai fix from the more recent video with the Amazon tool. Took me a while and led to some extremely sore thumbs, but worked like a charm in the end. No scratches, gashes, gouges, or stress marks and he’s all perfect now. I will echo what he said and tell you, get the exact tool from Amazon he showed. I bought a similar set at Walmart and it was the right kind of tool but the wrong size. Twisted and cranked on that wrong tool for over an hour with nothing to show for it but sore fingers and lingering doubt that I could accomplish this fix. When the right tool came, it worked immediately.