Flex Mussels returns in a new location after a devastating fire last winter | Upper East Site Flex Mussels is Back and Better than Ever by Upper East Site Staff August 23, 2022, 8:43 pm Comments Off on Flex Mussels is Back and Better than Ever Like a phoenix, Flex Mussels has risen from the ashes of a devastating fire last winter, spending months transforming a shuttered space into a magnificent new flagship that’s sure to draw diners from across the city to the Upper East Side for theirAlready a subscriber? Log in here. Continue reading with an Upper East Site subscription. Read More