How to apply a balloon-fold in origami (page 4)

 

05. Prepare to apply two valley-folds first.

06. Apply two valley-folds of the step #5.   Prepare to flatten the model by pressing two edges following the arrow directions.

 

 

 

1 2 3 4 5

 

 

If you have a difficulty in these steps, you are welcome to write a question below.