Those shields are good for another thing.
5 seconds sound clip from the How to Train Your Dragon movie soundboard.
You can hear this line at 00:18:50 in the Blu-ray version of the movie.
Quote context
[...]
- Get your hands of my shield!
- There's like a million shields!
- Take that one. It has a flower on it. Girls like flowers.
- Oops, now this one has blood on it.
- Tuffnut, Ruffnut! You're out!
- What?
- Those shields are good for another thing.
- Noise! Make lots of it to throw off a dragon's aim!
- All dragons have a limited number of shots. How many does a Gronckle have?
- Five?
- No, six!
- Correct, six! That's one for each of you!
[...]