Aikido Suginami Aikikai SF and ALLIANCE Brazilian Jiu-Jitsu web site. We hope this site will be a good resource for learning more about Aikido and Brazilian Jiu-Jitsu. Most importantly we hope it inspires you to visit us and try Aikido and BJJ. Polish your spirit, get in great shape while learning practical self-defense. In San Francisco, California there is no better place to begin martial arts training.