Removing Front Headrests on California Multivan

Has anyone removed the front seat headrests? They don't just slide out. The user manual shows that you need to press an area at the top of the backrest to release the headrest. I have had a quick shot and can't seem to find the right spot.

I have have some seat back storage I want to put on the seats.

Took a bit of searching on how to remove the front head restraints. You need to raise the head restraint to its highest level and locate the release button about 9cm down from the top of the seat back. Press hard through the seat cover onto a round section about the size of a 2p located in the centre of the seat back. Hold the headrest posts and pull/wiggle out.