An Accordeon Flip HU is a group figure where the performers start in a head-up accordeon, connected. The transition is done while staying gripped, with a line rotating through the back and the other line through the belly, finishing head-down in an accordeon.
A collective transition where all performers are connected with reverse grips.
The group flips from head-down to head-up through the back, finishing in a head-up accordeon.