Possible Clues:

• Stunt flying
• Tossing caber is to Angus primarily some spinning off the ground?
• High-flying stunts from returning voluntary force during exercise
• Doing stunts on high bar, one caught cracking nuts
• Exercising swallows at flying display
• Crack ace orbits after a display of stunt flying
• High flier's jinks a bit coarse for broadcasting
• Aircraft stunts
• Spectacular flying