Exactly, what the tag says; the usage of a catheter, to, for example, allow a longer stay in a fetish outfit, or long-term restrain someone. This is, of course, often combined with Intubation.
Karen – Her New Life by MonsterP63
This fantastic latex bondage story by MonsterP63 follows Karen and her partner Pete, who share an intense fetish lifestyle, devoted to 24/7 latex, bondage, and control fantasies. Karen is almost always fully sealed in latex, sometimes involving multiple layers and all kinds of other additions, from corsets, chastity, and even various sex-toys. Karen – Her New Life by MonsterP63 The Life He woke up and stretched under the satin sheets of the bed. He heard a soft moan by his side. He turned and smiled. ...