Hang on here: this is part of a circus act (7)
I believe the answer is:
trapeze
This clue could be a double definition.
'hang on here this is part' is the first definition.
The definition suggests a singular noun which matches the answer. I also know that 'hang' relates to this answer.
'a circus act' is the second definition.
(I've seen this before)
'of' acts as a link.
Can you help me to learn more?
(Other definitions for trapeze that I've seen before include "Swinging acrobat's bar" , "Horizontal bar as swing for acrobats" , "Circus attraction" , "Where swingers swing" , "Six down's swing" .)