Swing out and turn around. At the platform, lift your legs up in front of you under the bar. Position the bar behind the top of your thighs and straighten your body so your arms are straight. Squeeze your butt! As you reach the front end, let go of the bar and catch the stick. This trick is most often performed on a bar to bar rig.
You can find out more about this trick in my books:
Thanks to Thomas and Marco for providing a video for this page.