Level of difficulty:
Difficult. A certain level of flexibility is required of you, especially since the position entails you performing a vertical split against your man.
How to do it: Facing each other, you and your partner should stand at shoulder width apart. Your partner then bends down so that you can extend your leg and place your foot onto his shoulder. Then, wrap your arms around your partner's neck as he slowly stands up, holds onto your hips and penetrates you. Extend your leg and straighten it as much as possible while he pushes into you.