Other Names: Flyaway Half Return
From a catch to hands, bring your legs slightly in front of you as you swing back towards your bar. Sweep your legs back to generate a forward somersault and let go of the catcher as your legs rise up behind you. Half twist. Take your bar.
You can find out more about this trick in my books:
Thanks to Pneumatic Arts, @pneumaticarts, for providing a video for this page.