The requirements for using it are your level of Sexpertise, which is why this object requires Wicked Whims.
There are three workouts- light, medium and heavy. They differ in what dildo gets used and how fast they train athletics.
Sexpertise is a 5 level skill, the requirements go 1,2,3 for light, medium, heavy respectively.
You get level 1 automatically when you engage in any sexual activity. Using the machine also trains it slowly.
Has working autonomy.
You get a flirty buff after full workout that has intensity corresponding to how hard the workout was.