Enter this location on Massachusetts 28. This space is located in the alley behind 585 Columbus Ave. From the intersection of Massachusetts Ave. and Columbus Ave., head southwest on Columbus Ave. towards Newcastle Ct. Make the first right, next to Hollywood Top Nails at 585 Columbus Ave, to enter the alley at Newcastle Ct. (Newcastle Ct. runs parallel to Massachusetts Ave.) Head northwest through the alley until you reach the space behind 399 Massachusetts Ave., which will be on your right-hand side. Look for the '399' on the black door of the brick building.