Body modification
An anal piercing is a body piercing in the surrounding area of the human anus, usually the perineum.[1]
Despite the name, piercing of the anal sphincter itself is rather rare, because even once the wound canal has healed, piercings through a functioning muscle in as sensitive an area as the anus tend to remain painful and prone to tearing.
Even more-so, a new piercing in this area is exceedingly difficult to keep safe from infection, because of the constant presence of fecal matter.[1]
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