You may.
3 seconds sound clip from the Kill Bill: Volume 1 movie soundboard.
You can hear this line at 00:51:57 in the Blu-ray version of the movie.
Quote context
[...]
- Why do you need Japanese steel?
- You must have big rats, you need Hattori Hanzo's steel.
- Huge.
- May I?
- You may.
- Wait. Try the second one down.
- Funny. You like samurai swords. I like baseball.
[...]