Link6As far as I can tell from the description on this site and others no modification options are listed. You'd think that would be a pretty good selling point, so it would make sense that they'd mention it if it was possible. There's also no mention of it in the reviews of the amazon link Qays gave.
Just looking at the lock design, I don't see a way for you to modify the pin layout.
So, it might be possible, but I really don't think it is. I'm personally going to look elsewhere for a better practice lock.