>>509951835
>The only other option is that he modified it so the knife slips out easier, which then makes it pre-meditated since he modified the knife beforehand.
That doesn't make any criminal action committed with a knife premeditated. A lot of people want easy and quick access to their knife for lawful purposes.
That's why it's common feature on multitools to have their main blade be easy to open quickly onehanded and without looking, picrel is one I own.