15.
Rotate the model by 180 degrees.
Apply a valley-fold of the step #13.
Prepare to apply a 90 degrees valley-folds to (1), (2), and (3) shown on the left picture.
16.
Apply three 90 degrees valley-folds according to the step #15.
You ripped it You broke it You scrunched it You smoked it You tore it You glued it You cut it You chewed it You shred it You beat it You burn it You heat it You break it You fold it You dropp it You sold it Just take my paper heart As you don't deserve the real Do whatever you like Cause there's nothing left to heal