Calling your partner names that imply authority like "master," "daddy" or “mistress” ?

Spanking your partner with a bare hand or being spanked with a bare hand yourself

The thought of being used for sex by a number of different partners ?

Being stimulated by electricity, such as from a sex toy ?

Being handcuffed or having your hands tied

 Bringing your partner to orgasm, but ceasing stimulation at the right moment to diminish the pleasure/ hold them on the edgeThis is a checkbox.

Putting clamps or clothes pegs on your partner's nipples or elsewhere

Having sex or masturbating in front of other people at an orgy or as part of a show

Being gagged with an ordinary gag or a ball gag during sex

Hitting your partner with something like a crop, cane or whip, hard enough to bruise