“Expect a miracle,” reads a sign above the purple and teal doors of the Bolinas Freebox, the 8-by-10-foot shed behind the community center where locals shop sustainably by leaving what they no longer need and taking what they do.
Over the weekend, its shelves offered a Scottish kilt, a 45 rpm record of “Santa Claus Looks Just Like Daddy,” a dog bed, a jar of sewing notions, a well-used copy of “The Art of…