Good-Time Grannies 3 - Good-Time Grannies, #3

Good-Time Grannies is a series of erotic short stories featuring older women.(3) Tricia and Ben, now in their 60s, think their swinging days are well behind them, till they're invited to a sex-party by their old friend, Iris. Not really convinced that anyone will still find them desirable at their age they attend anyway and meet Hazel and Walter. He's desperate for anal sex but Hazel can't manage it, but it happens to be a speciality of Tricia's so she offers him a tumble, leading to the foursome becoming regular swapping partners.