1. Start by grasping the bar with an overhand grip that is wider than the shoulder-width grip.
2. Bend your knees and cross your lower legs behind your body to balance yourself properly.
3. Make sure that you keep your back completely straight and your abs tight.
4. Keeping this form intact, pull yourself up towards the bar and move your head underneath.
5. As soon as your neck touches the bar, slowly lower yourself back down and repeat.