Before he moved to the East End of Long Island in 1963, de Kooning spent summers there, and painted small, joyous, and luminous paintings such as Clam Diggers. Works made shortly after are more expressionistic and erotic, and include Woman in a Rowboat and Woman, Sag Harbor. De Kooning became a prolific and unconventional draftsman in this period, and made complex charcoal drawings of figures in landscapes that led to the large paintings of 1966–67, with extremely slippery surfaces. In the series of Montauk paintings, fragmented body parts swim in even more liquid surfaces.