The rising winger was named in coach Ian Foster's first squad last month following a standout season with the Blues in Super Rugby.
Clarke told Martin Devlin one of the biggest things he's learned in 'Camp All Blacks' is the professionalism.
"Getting to room with someone like Aaron Smith, it's all the small things that really matter when it comes to being a professional. Like timing, looking after the body.
"Also the importance of learning your role, as the All Blacks is one big machine."
He says he's nit-picked his game and noticed some areas in need of improvement, mainly his work off the ball.
"I always watch myself and see what I do and sometimes I feel like I can just get off my wing and run off.
"And also connections with my inside, whoever that centre is, or loose forward is on defence."
The first Bledisloe test is a week from today in Wellington.
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