Product review...

... and it is not pretty.  Have a wooden shelf that I painted some interesting colors and then had the brain cramp that was "Let's crackle the surface".  I thought I had used Americana Weathered Wood crackle medium before but did not remember the results.  Well I do remember it now.  HORRIBLE !  One, the paint did not crackle.  Two, it is this horrid plastic surface that peels off.  What a waste of time and materials.  This time - though hate to add to landfill - into the trash with a nearly full container! 
Doing my best to remove the remainder of the paint / medium.