Both flyers leave the platform together. The first hangs under the bar and the second holds the first flyer's neck/shoulders and hangs underneath. The second flyer holds a small set, then sweeps their legs back and forwards again, opening them until they are in front of their face. At this point the flyer lets go and opens for the catch. See the 'Pelican' for more information. The first flyer does a Pullover at the frontend and returns to the platform with an Uprise Back Remount.
The second flyer can wear safety lines for this trick (Regular Lines), but the first flyer must fly without lines.
You can find out more about this trick in my books:
Thanks to Ian and Crystal for attempting this trick!