I know that Snapture have this method that when you press the volume button take the picture give it more the normal way that take a picture like a Photocamera... but also is the more confortable and secure way to hold the fragile iPhone and prevent it for a sad crash in the street floor so... anyone know how to do it?

PD.
I dont use Snapture because is this the only thing that like it the software and I have more control of the image with Photogene in the iPhone for postprocesing... thanks a lot!