This trick is most likely only possible on a Bar-to-Bar rig.
This trick starts like a simple Uprise; the flyer swings out, back and gets into an Uprise position. At the moment of the catch, rather than 'pumping and shooting', the flyer simply leans forward, letting go of their hands to grab the facing bar. They remain suspended between the two bars, holding their original bar on their waistline with their legs folded over it.
To release, the flyer drives their heels back, unfolding their body from over the original bar and they swing away, hanging from the facing bar.
Thanks to Lucie and Jean Francois for providing a video for this page.