Sensitive bits where courage finishes (5,4)

I believe the answer is:

nerve ends

I'm a little stuck... Click here to teach me more about this clue!

'sensitive bits' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'courage finishes' is the wordplay.
'courage' becomes 'nerve' (nerve is a kind of courage).
'finishes' becomes 'ends' ('end' can be a synonym of 'finish').
'nerve'+'ends'='NERVE-ENDS'

'where' is the link.

Can you help me to learn more?

I've seen this clue in The Daily Express.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.