`
If the wings are angled
toward the tongue, they
may contact the upper
mouthpiece. This can
result in the inability to
close the mouth.
Therefore, the wings will
need to be pulled out
.
See
below:
4
Once the lower mouthpiece is
softened as in figure 1, grasp
the base of the wings with a
clamp or thin pliers. Pull the
wings along with the area of
attachment, outward in the
direction of the
Red arrows
.
Figure 5.
Then with the upper
mouthpiece still in place,
reinsert the lower one.
Use the thumbs to press the
wings in front of the wheels and
against the side of the upper.
See fig. 1.
5