New Brush Cleans Tongues (Apr, 1931)

Why not just use a normal toothbrush sideways?

New Brush Cleans Tongues
THE latest step in the field of inventions designed for the improvement of personal health is represented in the new brush for cleaning the tongue. The brush, shown in the photo at the left, has an unusually long handle, curved to fit the mouth, and thus reach any part of the tongue which may need cleaning.

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