Well, I'm wondering if there are any effects pedals the will give my guitar a string or "violin" sound to it.

I know the technique with adjusting the volume, but that can make two handed tapping rather difficult :P hahaha...

I know that guitar synths can do that but I'd prefer a pedal if possible :P

Thanks in advance for any help!
I'm not too familiar with pedals that do it but I've heard good things about the EBow and it does sound pretty cool. Maybe that would be worth looking into.