Choose a glass
Paint the top of a mermaid fin.
Paint the main part of the tail, the color of your choosing.
Paint the bottom of the tail a different color. I marbled a variety of colors
Use a flat brush.
Paint the top of the tail, the color of your choice
Start to paint scales by making u
Continue down the tail
You may choose to write a caption. I wrote "I drink like a fish because I'm a mermaid."