If a dill pickle and a cactus had a child…

 

…a prickle, a pactus, a crickle, a sour succulent, a painful pickle; 

whatever the name, 

it’s rock hard.

"The Art Of Stone Painting: 30 Designs To Spark Your Creativity"

by F Sehnaz Bac.

Acrylic markers.

Glossy sealant spray.