Bats in stone!
I have always enjoyed these fragile animals, wrongly connoisseurs of evil.
Look at their faces, they're so cute.
To know how to do:
see the post below "Hand printed schist stones (how to do)"
(https://saturnineway.wixsite.com/saturnineway/single-post/2017/04/10/Hand-printed-schist-stones-again-and-again)