There is disclosed a panel fastener and method of attaching multiple panels. A panel fastener may include a pin and a receptacle, the pin having a head and a shank extending from the head and the receptacle having an aperture to receive the shank and a retainer configured to engage the shank to prevent the shank from being withdrawn from the aperture. The head and the receptacle may have respective openings to receive a key to disengage the retainer from the shank.