1, take a proper amount of purple and white mud, fully mix the colors, and roll it into a ball shape.
2. Squeeze the ball gently.
3. Pinch the top shape of "onion" at one end.
4. Take a proper amount of plaster and roll it into a cone.
5. Stick a small cone on the bottom of the onion.
6. Cut out the root shape of "onion" with small scissors.