Help with cross arm trapeze

Hey guys, could someone explain how to do the first part of this trick, the crossed arm trapeze and how Andre manipulates the yoyo to get to the arm part then the green triangle.

He goes into the cross-arm trapeze / reverse trapeze and all he does is ‘launch’ the yo-yo off into the trick in your other thread (before launching, all he does is do a ‘wheel’, sort of like in Skin the Gerbil)