Headrest lock removal

I'm trying to remove an old set of seat covers but the plastic locks for the headrests are complicating this because I can't figure out how to remove them. I know I can cut the seat covers off but they are still usable and I would like to avoid this. Thanks for any help.

 

If you look down the hole, you will see two tabs, use a pick or very small screwdriver to pull them in a little and the lock will pull out of the seat

 

I'm sure the locks want to be unlatched simultaneously so I'm thinking a very pointy pair of tweezers which I just happen to have. Thanks.

EDIT: Mine look different than your drawing. Mine are entirely outside the "circle". Much harder to access.