apply masking fluid with a toothpick or the round end of a small brush. Art by Vivian Swift.
To create falling snow on a card use masking fluid. Flick masking fluid with a tooth brush. When dry, sponge on color.
Art Journaling: Stencil and Masking with Dina Wakley | InterweaveStore.com
How to make your watercolor paintings pop with pastels and masking fluid : An online demonstration by artist Sandrine Pelissier