Painslut vs substitute painslut. As suggested, after every 74 hours of torture painsluts would undergo a recovery period of one day. During this time there will be a “temporary painslut” assigned to owner.
Stress positions are under-rated. They are excellent prep for a punishment discipline. This is especially true if she has to hold the implement of her chastisement. Imagine her thoughts, "This cane in my mouth will soon be laying down painful stripe