For more than 25 years, a group of Down East women has been getting together to spin wool so that it can be woven into cloth and then made into clothes. But about a year and a half ago the women began to see the benefit of not wearing clothes for a while. They were lounging in a hot tub, on a weekend retreat, and thinking about ways to raise money for a group trip to Ireland. They thought about a book or a calendar. Maybe a semi-nude calendar? They had heard about other mature women doing this sort of...