Sit comfortably on the floor or an exercise mat with your back straight.
Clasp both hands around your right knee, and bring your right foot over your left thigh, resting your ankle on your thigh.
At the same time, bend your left knee and draw your foot inward so that the side of your left foot is resting on the floor, close to the underside of your raised right thigh.
Hold for 15 seconds, and switch sides. Repeat sequence with your left ankle crossed resting on your right knee.