Letsip® Mouthpiece V4
Letsip V4 mouthpiece (width 55mm/2.16").
Stronger cheeks, exercise mimicry and smile
Train the central facial area and lips. Pull out and smile. Open your mouth to avoid an oral vacuum.
Stronger cheek, for improved mimicry and smile
Manual for cheek, middle face and lips. Pull out and smile. Opening to prevent an oral vacuum.