The Salts is the latest show put on by The Inconvenience, marking the first time that the ultra-hip multi-disciplinary performance collective has dedicated a full evening to dance. The work is devised by Erin Kilmurray, created in collaboration with actress/singer/clown Molly Brennan. The Salts is hidden in the Flat Iron Arts Building in a hard-to-find space on the third floor. I found…