If you and your partner are both into trying fisting (and you've talked about it ), try starting with one finger and work your way up. Dr. Powell says it can be helpful for the receiving partner to take deep breaths as they're being fisted. If the receiving partner experiences discomfort at any point, step back and pause. After warming up the orifice by starting with one finger and adding more, you can move into fisting by having the giving partner create a " duck shape " with their fingers (meaning: fingers are straight and pressed together, like a duck's beak) to slide the hand in. They should move slowly and in conjunction with the receiving partner's breaths, and if the orifice is ready and willing, they can create an actual fist with their hand (by closing the "duck's mouth") and thrust the hand in and out at a more rapid pace. Again, maintain communication to make sure you're both comfortable the entire time.