Women's Brazilian Jiu Jitsu Classes - all levels including beginners Women's Brazilian Jiu Jitsu classes with Kate Mahon. Come learn the art of BJJ and all of its benefits. Brazilian Jiu Jitsu is a predominantly ground-based martial art, using the principals of leverage, angles, pressure and timing, as well as knowledge of the human anatomy, in order to achieve a non-violent submission of one's opponent. Good for self defense and physical and mental health.