These are three mods to be able to use SOS as a standalone item without loosing some SOS main features: - SOS awesome penis model with reaction to movement, for females - Erection / flaccid animations and key bindings for handling them - Penis resizing All of the above without adding Papyrus stress to the game.   There are three different mods. Each of them will add one of those features. Second and third were made for using them with the first one, or just with SOS light for males.   SO