As early as a year after the 1975 release of The Rocky Horror Picture Show, audience members began dressing as characters from the movie and role-playing (although the initial incentive for dressing-up was free admission) in often highly accurate costumes.
As early as a year after the 1975 release of The Rocky Horror Picture Show audience members began dressing as characters from the movie and role-playing (although the initial incentive for dressing-up was free admission) in often highly accurate costumes