Airbrushing acrylic with medium

I'd like to share with You Guys this little airbrushing experiment: I added a medium to acrylic paint in 50/50 percentage. The final result is to avoid the immediate chipping troubles, so you can after touch the soft bait with your hands and fingers without remove the paint. Of course if you try to scratch the painted surface with your nails, then the drawing jumps off. In this way I didn't need another dipping in clear PVC.

Bye.

Cami