I used something similar to this.
Cleaning out the groove it fit pretty cleanly, held it with a couple of drops of gorilla glue.
Here was the thread where I got awesome advice.


Applying clear coat to steering wheel
Cougar Community
Classic Cougar Maintenance Restoration and Repair
I’ve stated to restore my steering wheel. The wheel itself is in really good shape, no cracks or chips. The clear has browned and i’d Like to clean it up so the metal trim line around the outside of the wheel shines. I’ve watched the...