Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Paint and other Folk Art topics.
There are a number of brands of crackle medium on the market and for the most part they work quite successfully. The most commonly used is a sandwich crackle, meaning it is sandwiched between two layers of acrylic paint. The medium sets off a reacton in the top layer of paint.