Note: The video above contains some language which may not be appropriate for sensitive or work environments.

YouTube vlogging sensation Arielle Scarcella is back with the latest installment in her "Lesbians Explain" series. This week's topic? Why do straight girls love watching lesbian porn?

According to Scarcella's video, a whopping 50 percent of lesbian porn site subscriptions are purchased by straight women -- and apparently it's all about girls wanting more oral sex!