I know that many people have asked about the swaptrick for the PS1. I even wondered myself. I have done a lot of research and testing and made this guide through my personal experience with using the swaptrick. This is the method that works best for me.
If you read it please respond telling me what you think so I can try to make it better. If you are an expert at the swaptrick please read it so you can also help me make it better.