From sitting on the bar (and therefore usually performed as a dismount from the catch trap). At the back end of the swing, sweep your legs down as you lean forwards and let go. Fall through the cables in front of you and make a three-quarter somersault (suicide) onto your back.

These notes are provided ONLY as an explanation of the trick.
If you want to perform it yourself - get an expert to teach you.
This trick is a progression of the following trick: