Mental Door is a frenzied, claustrophobic depiction of naked figures engaged in graphic sexual acts. The earliest of a series of works by the artist characterized by their explicit subject matter, it is a composite of a number of smaller preparatory sketches. The paint is applied with deliberate abandon to convey a sense of messy, bodily urgency, as the protagonists, prominent among which is a conspicuously pregnant woman at left, crowd the picture’s foreground. Staring out at us with wide, startled eyes, they seem almost to have been caught in the act. Acidic washes of colour create the impression of some kind of drug-induced adolescent fantasy, hurriedly scribbled in a moment of unconscious desire.