The Tacoma Times, Washington, August 3, 1917
This is the way the new idea works out. Take a piece of court plaster. Cut out the initials and design you with to register on your arm. Paste them on te arm and the sun does the rest.
You must wear your sleeveless bathing suit, of course. The sun tans your arm a fine brown color. The court plaster is then taken off, leaving the initials and design neatly engraved in white flesh.