Also: Headsit, Asshat

A backbend while performing a handstand or cheststand.

The buttocks is brought to the crown of the head. The legs are held at an angle to allow the buttocks' positioning as a 'hat' to be visible. The backbend may be slightly looser or tighter, bringing the buttocks to the forehead or back of the head, but it's a relatively narrow range.

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Definition based on the Contortion Glossary by Greg Ullman and Tige Young