1. Sub will a take whole ginger piece up her ass and let it remain there for x mins / or till permitted otherwise.
2. Sub will keep pepper in her mouth for x mins / or till permitted otherwise.
3. Sub will keep dirty laundry in her mouth (like her own worn panties) for x mins /or till permitted otherwise. A variant is when the sub is asked to wear the same wet panties again!

Effective techniques first two, can get really painful.