Use a to scribble, doodle, or write "decoy" words directly over your blue/green message.
On a separate piece of white paper, write your secret message using a . Keep the letters clear and thin. Create the "Red Noise" Camouflage (10 Mins) DECODE RED - Part 222:26 Min
One light blue (or green) marker and one bright red marker. Use a to scribble, doodle, or write "decoy"