Yes, we've incorporated blindfolds, and related sensory deprivation techniques into encounters.
One of my favorite, most memorable was KK blindfolded, naked, exposed on the bed, in a cheap Days Inn motel room. I'd blindfolded her with a tie, and propped the door, so that passers by could see her nude, splayed out, ready to be fucked. While surprisingly few went for it, those who did enjoyed using my wife, while she was deprived of seeing the man penetrating her mouth or pussy...