Swing out from the platform and back. At the backend, rise into your seven and bring one leg in front of you over the bar. Push your head back and your hips forward and pull the bar backwards onto the thigh of the other leg, with both legs straight. At the peak, let go and drop to the catcher.
You can find out more about this trick in my books:
Thanks to Fly'n Fit Trapeze School in Japan and Pneumatic Arts @pneumaticarts for providing videos for this page.
IMAGE CREDIT: 1st: Thanks to Emerald City Trapeze Arts. Flyer is Laura. Thanks to David Treadwell for the photo. 2nd: Kate Hedin