Serving as furniture
Serving as waitress/waiter
Serving Orally (sexual)
Serving other doms (private)
Serving other doms (public)
Sexual Deprivation (long-term)
Sexual Deprivation (short term)
Shackles
Sharps (knives, claws)
Shaving (body hair)
Shaving (head hair)
Skinny-Dipping
Sleep deprivation
Slutty Clothing (private)
Slutty Clothing (public)
Soap in mouth
Spanking
Speech Restrictions
Spread-Eagle
Spreader Bars
Standing in corner
Stocks
Straight Jackets
Strap-ons (suck, wear)
Strapping (full body beating)
Supplying new partners for Dom
Suspension (up, invert, horz)
Swallowing Semen
Swapping (one couple)
Swinging (multiple couples)