Grab a few scarves or old T-shirts and tie your partner's hands (or have them tie yours) to the bed or a chair. You want the knots to be tight enough to restrict your movements but easy to break out of if you need to, says Fuller. Next, cover the eyes so that the person being bound can't see what's coming. Then stimulate their erogenous zones with an ice cube, feather, candle wax, or vibrator. You could also try oral or manual stimulation.