For this group of paintings, the materials and tools used followed, or did not follow the rules of Kashrut.  For example, milk paint was used in several images.  In some, I purchased the material and therefore could not verify if it was “Kosher.”  In other paintings I made my own milk paint with Kosher milk.  Another “treif,” or non-Kosher material that I used was cochineal red, a pigment made from beetles.