Clean a bell to your shoulder (same side as "up" leg). Press over head. From here, push your hips back and bend at the waist (not the back), loading your back hip. You should feel a stretch in the hamstring, glute, and possibly the groin. As you descend keep your eyes on the bell, pull your should away from your ear. This video shows three different ranges of motion. Choose the video that is appropriate for you.