What do you know about the topic of? This should naturally pull her vagina forward, and allow you to get deeper inside her faster than you normally would.
Just be sure you lift your upper leg slightly so as not to suffocate anyone.
Then, hold the base of the penis, and shake it quickly from side to side so that the head hits the clitoris with every wiggle.
Cowgirl Emily Schiff-Slater Do It: You kneel on top, pushing off your partner's chest and sliding up and down their thighs.
Lie down on your sides in opposite directions, and give each other oral sex.
Increase your stimulation by grinding your clitoris against their pelvis.