...... because of its size/appearance/shape/length would intimidate a potential troublemaker enough for him to back down or think twice about creating trouble or bullying you???
Mind you, I'm not talking about protecting your life here but rather to deter someone looking to have some fun at your expense..
so... what folders can do that??
One that you shouldn't be carrying since you are clearly not prepared to use it.
You want to scare an attacker by illegally flashing your knife at him?
Dude, grow up.