2009 Mazda 5 - trouble removing lower control arm

[Number_35]

Finally ... here's my first attempt at uploading photos.

Here's a close-up of the plastic jar of Kroil installed horizontally against the hub in hope that the penetrant would help free the spline from the hub:



Here's the puller in place, and the successful result:

 

[Number_35]

And here are the control arms, old and new!