I have my Tinman from Wizard of Oz all made and hard out of candy clay. I am using my airbrush colors to paint on the candy clay figures. However, I cannot find a metallic silver in the stores around here and I don't have time to order it. The only thing I have been able to find is the silver colormist spray. Does anyone know if this will work on candy clay? I am worried it will just rub right off. I hope someone can help or give me some suggestions. Thanks!