The roof of a church-like structure protrudes from behind a highway overpass in one of the quieter parts of Birmingham, Ala.Look closer at the building and you’ll see a Pride flag flapping, dicing the humid air. This is Spike’s — Alabama’s only leather bar. Those not in the community might look to cities like San Francisco as a place where the leather community thrives, especially as it’s home to the annual Folsom Street Fair.