Any idea how to get the shift knob off?

Hi, I’m trying to replace the shift knob on my 91’ Buick Lesabre. It seems pretty straightforward, but no matter how hard I try to unscrew it- it won’t come off.

I think it’s factory, but it could be a replacement Dorman 76937.

Thoughts?

Hi, I’m trying to replace the shift knob on my 91’ Buick Lesabre. It seems pretty straightforward, but no matter how hard I try to unscrew it- it won’t come off.

I think it’s factory, but it could be a replacement Dorman 76937.

Thoughts?