This is Anton from the Bulldancers - perhaps the first ever Rudy return?
Other Names: Cutaway Rudy Return, Rudolph Return, Flyaway Rudy Return
From a catch to hands, bring your legs up 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. One and a half twists. Take your bar.
You can find out more about this trick in my books: