6pm-8pm, free, Brooklyn Community Pride Center, 1360 Fulton Ave, Brooklyn, lgbtbrooklyn.org/portfolio/pop-gym. POP GYM, a new project, providing free fitness and skill share classes all around NYC, will be facilitating a self-defense class every second Wednesday of the month at Brooklyn Community Pride Center. POP Gym classes are described as fun, holistic, and empowering and we welcome you to join the class free of charge.