With my wife we used to combine different aspect of discipline in our games.
We use to enema to clean our tummies, usually for sodomy or long term plug. Spanking is administred before or after, most of the time after expulsion when the the water is clear and the anus can retain a plug for a long time without stain.
Cornertime is usual too. The punished person is naked from the waist down, a short tshirt or pajama top only. This permit to display the bottoms red, enema disponibility and so on.
At the end of the game the punished one has to wear a diaper till the day after or the whole weekend. With bowels clear, normally only wet diapers to change.
Loosing toilets privilege can be replaced with enema, using potty or more severe in the diapers keeping soiling water for a period of time usualy 1 or 2 hours.