Catherine Rains on Instagram: "Ever finished a collage you love…and then panicked about how to keep it safe? Smudges, peeling edges, fading colors - they can undo all that beautiful work if you don’t seal it properly. Protecting your mixed-media collages is just as much a part of the process as creating them. From fixative sprays that set delicate layers, to varnishes that cut glare, to cold wax that adds that soft, velvety matte finish, each brings its own kind of magic (and protection). If you