See? It's all in the wrist.

3 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.

You can hear this line at 00:04:08 in the Blu-ray version of the movie.

Quote context

[...]

- Something's got to be done. That Rub-a-dub-dub, three men in a tub float isn't big enough. We can get the butcher and the baker in, but the candlestick maker...

- I'm sorry, but I've got enough to do to take care of people.

- Oh, dear. I was so hoping George.

- I beg your pardon, sir. You seem to have got slightly mixed-up with this whip of yours. Allow me. Allow me.

- It's quite simple, really. You don't mind if I show you, eh?

- No, sir.

- Now. Now then.

- See? It's all in the wrist.

- You have to follow through, you know.

- Is that so?

- Yes. It's just like throwing a ball. If you were to...

- You've been drinking.

- Oh, well, it-it's cold. A man's gotta do somethin' to keep warm.

- You oughta be ashamed of yourself. Don't you realize there are thousands of children lining the streets waiting to see you? Children who've been dreaming of this moment for weeks?

[...]