shift knob
 

I am trying to put a new shift knob on my '03 Jetta and I can't get the clamp to tighten. I have tried various tools and it won't budge. Is there a special tool I need? Maybe I need to work out my arm muscles! :P I'm a do-it-yourself kind of girl and refuse to take it to the dealership! They want me to pay $50!! Please inform!