Assertion: anus | /r/HasProperty | essential
Facets:
Source sentences:
text: Unlike the vagina, the anus is not biologically designed to be penetrated by any object; thus, it is essential that you use adequate lubrication if you attempt to use a dildo in anal play.
text: The anus does not have any of its own lubrication, so it is essential to use lots of water-based lubrication before attempting anal sex.