Lincecum curveball

How does Tim Lincecum throw his curveball? Any pics or articals would be nice.

theres a topic somewhere about it but he pretty much throw it just like everybody else he just worked on it. aj burnett has something similar roy halladay justin verlander josh beckett and just about every other power pitchers. just work on it theres nothing magic about a grip.

I can’t find the topic or a pic, but someone posted a link interviewing Tim’s dad. He has like 2 different curveballs. He throws a beginners curveball and I think he throws a regular curveball too.