First, knead the clay to warm it up and soften. Do this for 3-4 minutes.
Place the clay carefully over the balloon. If the size is good, then leave it, or remove it and trim it to size.
To remove the clay planter folds, take the clay and pull it together starting from the top of the fold, down to the end.
Create a paste with clay and water. Mix it together until it’s like toothpaste.