Orabrush has managed to sell millions of tongue cleaning devices without television or print advertisements – just these cheeky YouTube videos. Check out some of the better entries in their ongoing series.
https://youtube.com/watch?v=BzfBIf5m7p0
https://youtube.com/watch?v=AyWnE0mRSBQ
https://youtube.com/watch?v=scKMk-9dZyE
https://youtube.com/watch?v=iZ98KQPnxn4