Just pull the plastic curtain and turn the dial.

There was a glass cube of a bathroom built within the bedroom; you had to pull a white plastic curtain inside for privacy (which seemed quite odd).

Heavy plastic curtains, such as you might find in a butcher's shop, hint immediately at what we're in for.

Instead, fit blinds or even plastic curtains and damp dust weekly with a wet cloth.

Focal-plane shutters are usually implemented as a pair of light-tight cloth, metal, or plastic curtains.