Masturbation is the most popular autoerotic practice. There are many techniques used to masturbate, like manual stimulation or using everyday objects. For some people,
sex toys such as
dildos,
vibrators,
masturbators,
anal beads and
Sybian machines can be helpful for this form of autoeroticism. Stimulation with the mouth is significantly harder to achieve; proof of
autocunnilingus is incredibly slim but
autofellatio is thought to occur in less than 1% of the male population, possibly because of the physical flexibility required to perform it. Another activity is
sexual fantasy, which is imagining a sexual experience while one is awake. Because it doesn't involve any stimulation other than a person's mind, it is an autoerotic activity. It can be used to envision sex that might not be possible due to legal (e.g. one's age), religious (e.g. religions where
premarital sex isn't allowed), or natural reasons (e.g.
sex with a mythical creature or other things that can be impossible in the real world.) Depending on age or gender, these fantasies may be more or less explicit. Sexual fantasy may also be done during masturbation, which could enhance said activity without the downsides of pornography or other media, although it might be less stimulating and more difficult to accomplish. == Criticism and controversies ==