Can I crack a Iphone pincode?

I want to crack a Iphone 4 pincode can and how can i dow that.

Go to you Tool box grab a hammer… Place your iphone on a nice solid ground and start swinging

this is the most efficient way to "crack" an iphone

Yes you can if you want to now how then go to this website.
Here http://fu.gy/BCc
This is how I learned it.