Possible Clues:

• Acrobatic feat
• *Heels-over-head stunt
• Offer stick for balancing act
• Round of applause greeting bear's balancing act
• Upside-down maneuver
• Acrobatic manoeuvre
• *Heels-over-head feat
• Palms-down feat
• Workers beat leader of directors? That's an inversion!
• Palms down feat