[wtm442]

Lead hammer with tire on ground. Forget the plastic stuff, wood 2 by 4's and other garbage tools.

Make sure you are hitting the spinner ear in the correct direction.
Make sure you are hitting the spinner ear in the correct direction.
Make sure you are hitting the spinner ear in the correct direction.

Keep on hitting it.
Slowly but surely, it will come off.

My spinners came off for the first time at 15K miles. It took a lot of hits, but they finally did loosen up.

Use never seize on threads. Do a search on "never seize" and you will find tons of good info on spinner removal.