Three private pilates lessons at Pilates Works, located on Lombard between Webster and Buchanan. Pilates Works provides New York-certified Pilates instruction in Cow Hollow, San Francisco. Their teachers have trained for more than 700 hours with Romana Kryzanowska, the master teacher who studied with Joseph Pilates himself. They use genuine Gratz equipment and teach an authentic exercise system that is dynamic, fun and challenging.